{ "schemaVersion": "1.0.0", "constitutionVersion": "1.0.0", "createdAt": "2026-08-12T00:00:00Z", "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.", "entity": { "type": "project", "id": "hamburg-diesel-driving-ban", "title": "Diesel Driving Ban on Max-Brauer-Allee & Stresemannstraße", "canonicalUrl": "https://1001smartcities.org/projects/hamburg-diesel-driving-ban/" }, "currentRevisionId": "2026-08-28-story-claims", "revisions": [ { "id": "2026-08-20-source-dates", "createdAt": "2026-08-20T19:03:10Z", "effectiveAt": "2026-08-02", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 1 claim and 7 source dossiers.", "preparedBy": { "type": "automation", "label": "AI-assisted evidence preparation", "humanApproved": false }, "review": { "status": "unreviewed", "by": null, "date": null, "note": "Awaiting operator and domain-expert review; publication of this revision implies neither." }, "changes": [ { "operation": "add", "path": "/evidencePassport", "summary": "Added claim-level evidence mapping and source dossiers." }, { "operation": "add", "path": "/revisionHistory", "summary": "Established a permanent, hash-addressed baseline revision." } ], "snapshotHash": "sha256:d2e15181ef58a6b5ee31063e71ba9a731b895fe12f1954a0abb02d31d1e75a99", "snapshot": { "asOf": "2026-08-02", "projectFingerprint": "sha256:a2ca9292cfad43c3de471328e1492b4f4feba74f931690433fa35142aebf9eed", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.", "machineChecks": [ "schema", "publication-diff-contract", "material-project-fingerprint", "claim-text-drift", "source-reference-resolution", "complete-source-dossier", "snapshot-hash" ] }, "projectState": { "status": "completed", "outcome": "succeeded", "evidenceGrade": "independent", "timeline": { "started": 2018, "ended": 2023 } }, "governance": { "operator": "Behörde für Umwelt, Klima, Energie und Agrarwirtschaft (BUKEA); air monitoring by Institut für Hygiene und Umwelt", "actorTypes": [ "city-government" ], "fundingModel": null, "fundingDescription": null, "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-a0f694074cd1c12a", "field": "impact", "text": "An independent evaluation (Aydin & Maennig, Wirtschaftsdienst 2020) estimated roughly -6.9 µg/m³ (~11%) against control streets", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": null, "caveat": "The study's own headline finding is that estimates swing between -4 and -11.7 µg/m³ depending on the comparison period and control group, and no source separates the ban's contribution from fleet renewal, weather and traffic changes.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-f138f8ec45a7afd6", "title": "BUKEA: Aufhebung der Dieseldurchfahrtsbeschränkungen (13.09.2023)", "url": "https://www.hamburg.de/politik-und-verwaltung/behoerden/bukea/aktuelles/pressemeldungen/2023-09-13-bukea-luftreinhalteplan-235376", "publisher": { "name": null, "domain": "hamburg.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2023-11-03", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Official notice: both driving restrictions lifted 13 September 2023 after an expert assessment forecast permanent limit compliance without them.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-78983a575e95aae2", "title": "VG Hamburg, Urteil vom 12.05.2023, 5 K 3422/18", "url": "https://justiz.hamburg.de/gerichte/oberverwaltungsgericht/presse/aktuellepresseerklaerungen/verwaltungsgericht-hamburg-durchfahrtsbeschraenkung-fuer-dieselfahrzeuge-bis-zur-abgasnorm-euro-5-in-der-max-brauer-allee-weiterhin-rechtmaessig-637748", "publisher": { "name": null, "domain": "justiz.hamburg.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2023-05-12", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Court ruling upholding the restriction as lawful, with case background.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-1eda123f8c5e7044", "title": "Hamburger Luftmessnetz — Messstation 70MB Max-Brauer-Allee II", "url": "https://luft.hamburg.de/allgemeine-informationen/70mb-max-brauer-allee-ii-775238", "publisher": { "name": null, "domain": "luft.hamburg.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Official monitoring station description, operating since 2002.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-5ad10b6668b18d1b", "title": "Kennzahlen der Station Max-Brauer-Allee II (NO2 Jahresmittelwerte)", "url": "https://luft.hamburg.de/datensammlung/beurteilung-70mb-max-brauer-allee-ii-773978", "publisher": { "name": null, "domain": "luft.hamburg.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Annual NO2 mean values by year, including the 2025 reading.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-5abb6c67e3c52aee", "title": "Aydin & Maennig, Wirtschaftsdienst 100(12), 2020 (peer-reviewed policy evaluation)", "url": "https://www.wirtschaftsdienst.eu/inhalt/jahr/2020/heft/12/beitrag/das-hamburger-dieselverbot-ein-beispiel-fuer-die-schwierigkeit-von-politikevaluierung.html", "publisher": { "name": null, "domain": "wirtschaftsdienst.eu", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-a0f694074cd1c12a" ], "temporal": { "publishedAt": "2020-01-21", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Independent evaluation; central estimate ~-6.9 µg/m³ but flags wide sensitivity to model choice.", "exact": false }, "preservation": { "archiveUrl": "https://web.archive.org/web/20251219142103/https://www.wirtschaftsdienst.eu/inhalt/jahr/2020/heft/12/beitrag/das-hamburger-dieselverbot-ein-beispiel-fuer-die-schwierigkeit-von-politikevaluierung.html", "archivedAt": "2025-12-19", "contentHash": null, "status": "archive-linked" } }, { "id": "src-4a6db2a33aa030b2", "title": "t-online: Dieselfahrverbot — Hamburger Polizei beginnt Großkontrolle (2018)", "url": "https://www.t-online.de/auto/recht-und-verkehr/id_83977010/dieselfahrverbot-hamburger-polizei-beginnt-grosskontrolle.html", "publisher": { "name": null, "domain": "t-online.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2018-06-21", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Contemporary press coverage of manual police enforcement.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-00e8a7eb0a4220cf", "title": "European Commission Urban Mobility Observatory", "url": "https://urban-mobility-observatory.transport.ec.europa.eu/news-events/news/first-access-restrictions-diesel-vehicles-be-applied-end-may-hamburg-2018-05-24_en", "publisher": { "name": null, "domain": "urban-mobility-observatory.transport.ec.europa.eu", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": "2018-05-24", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-02", "dossierCreatedAt": "2026-08-20", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Independent EU confirmation of the ban as Germany's first implemented diesel access restriction.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 1, "claimsMapped": 1, "sourcesTotal": 7, "sourcesUsedByClaims": 1, "sourcesWithPublicationDate": 5, "sourcesWithArchive": 1, "sourcesWithExactLocator": 0, "sourcesWithContentHash": 0 }, "limits": [ "Publisher names and source languages have not yet been classified; domains are recorded without guessing.", "Existing source notes are descriptive locators, not page- or paragraph-exact citations.", "A missing archive, publication date or content hash is shown as null rather than inferred.", "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim." ] } }, { "id": "2026-08-28-claims-and-dates", "createdAt": "2026-08-28T10:14:42Z", "effectiveAt": "2026-08-28", "changeType": "correction", "summary": "Completed the claim array, corrected two source dates, and replaced three passages the sources do not carry: a percentage we had derived ourselves, an editorial absolute about automated enforcement, and a compliance sentence that hid the station's two measuring heights disagreeing in 2019.", "preparedBy": { "type": "automation", "label": "AI-assisted evidence preparation", "humanApproved": false }, "review": { "status": "unreviewed", "by": null, "date": null, "note": "Awaiting operator and domain-expert review; publication of this revision implies neither." }, "changes": [ { "operation": "replace", "path": "/snapshot/projectFingerprint", "summary": "Updated projectFingerprint to the current sourced project record." }, { "operation": "replace", "path": "/snapshot/asOf", "summary": "Updated asOf to the current sourced project record." }, { "operation": "replace", "path": "/snapshot/claims", "summary": "Updated claims to the current sourced project record." }, { "operation": "replace", "path": "/snapshot/sources", "summary": "Updated sources to the current sourced project record." } ], "snapshotHash": "sha256:e49c2ddfbef0af7f952b9be8d1a47f25a98dc4ffad79c7193f1aba50b9346cfb", "snapshot": { "asOf": "2026-08-28", "projectFingerprint": "sha256:a3ec73fe246552217ac73c3faacbd48aaddc6a6aa2605a1123820927f230aea8", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.", "machineChecks": [ "schema", "publication-diff-contract", "material-project-fingerprint", "claim-text-drift", "source-reference-resolution", "complete-source-dossier", "snapshot-hash" ] }, "projectState": { "status": "completed", "outcome": "succeeded", "evidenceGrade": "independent", "timeline": { "started": 2018, "ended": 2023 } }, "governance": { "operator": "Behörde für Umwelt, Klima, Energie und Agrarwirtschaft (BUKEA); air monitoring by Institut für Hygiene und Umwelt", "actorTypes": [ "city-government" ], "fundingModel": null, "fundingDescription": null, "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-7d6413e05f439d23", "field": "snippet", "text": "Germany's first diesel driving ban", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf", "src-9087fc9835d4acb5" ], "supportNote": "The EU observatory states Hamburg is 'first in Germany to introduce urban vehicle access restrictions on diesel vehicles'; the NZZ headline of the launch day says the same. Superlative checked against the entry's own sources.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-38eea77c0e0e9e17", "field": "snippet", "text": "from 31 May 2018 two Altona street sections barred pre-Euro-6 diesels", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf" ], "supportNote": "The observatory names the start day ('Starting on Thursday, the 31st of May 2018'), the district ('located in the city district of Altona-Nord') and the standard ('Vehicles that do not meet Euro 6 standards will be affected').", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5445f3efefbf36eb", "field": "snippet", "text": "580 m of Max-Brauer-Allee (cars and trucks) and 1.6 km of Stresemannstraße (trucks only)", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf" ], "supportNote": "The observatory quotes the clean-air plan's section lengths and notes the Stresemannstraße strip 'bans only lorries and not cars'.", "caveat": "Contemporary press rounded the sections to 600 m and 1.7 km; the figures here are the official clean-air-plan lengths.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e48ae5fdbe57bd66", "field": "snippet", "text": "Enforcement was manual police document checks, never cameras", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2", "src-f138f8ec45a7afd6" ], "supportNote": "t-online documents officers waving vehicles out of traffic to check them at control points; BUKEA's 2023 release names the police as the body responsible for monitoring violations for the ban's entire run. No camera system is mentioned in any source across the ban's five years.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-dca6c5b6a59240a9", "field": "snippet", "text": "Hamburg lifted both in September 2023 after NO2 fell below the 40 µg/m³ limit", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-f138f8ec45a7afd6" ], "supportNote": "The environment authority's release of 13 September 2023 announces both restrictions lifted, on an expert forecast of safe, permanent limit compliance without them.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-0117847199fea9f9", "field": "impact", "text": "exceeded the 40 µg/m³ EU annual limit from 2012 to 2016", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The court's press release recounts the clean-air plan's finding that the annual limit was exceeded at the Max-Brauer-Allee II station in 2012–2016.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-954bbbb6c25974a0", "field": "impact", "text": "stood at 28 µg/m³ in 2025", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5ad10b6668b18d1b" ], "supportNote": "The station's official assessment page for 2025 lists the NO2 annual mean as 28 µg/m³ against the 40 µg/m³ limit ('Grenzwert eingehalten').", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-42ed9ab4fd091821", "field": "impact", "text": "the limit was met from 2019 to 2022", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The court's press release states this verbatim for the Max-Brauer-Allee II station.", "caveat": "Hamburg's own annual data and the federal balance record 41 µg/m³ at the 1.5 m intake in 2019 — the next sentence carries that reading; the two primary records disagree for 2019.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9e919284ae021109", "field": "impact", "text": "the station's own reading at the 1.5 m breathing-zone intake was still 41 µg/m³ in 2019, just above the limit, while the 4 m intake read 38", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-820abfe0c0eb0dd9" ], "supportNote": "The network's 2019 annual data says the limit was undercut at 4 m (38 µg/m³) and 'nur knapp' exceeded at 1.5 m (41 µg/m³); the station page defines 1.5 m as the 'Atemzone'. The Umweltbundesamt annual balance likewise records 41 for DEHH070 in 2019.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ebe7eff359d31895", "field": "impact", "text": "estimated roughly -6.9 µg/m³ against control stations", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The authors' preferred specification (31.5.2017–30.5.2019, nationwide control group) finds NO2 fell by a one-off 6.89 µg/m³ more in the banned streets than in the control group.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-f58b0e6178d67064", "field": "impact", "text": "estimates swing between -4 and -11.7 µg/m³ depending on the comparison period and control group chosen", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The abstract states that small changes to periods, control groups and control variables produce significantly different results; Table 4 spans -4.231 (not significant) to -11.668, and the text singles out '-11,7 µg/m³ (-19%)' for the Hamburg-only control group.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e8457cb7b475e88a", "field": "impact", "text": "even the authors caution that fleet changes and the clean-air plan's other measures may inflate the estimate", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The authors write that unconsidered exogenous factors — ÖPNV fleet modernisation, bike-sharing, and the clean-air plan's ten measure packages — could bias the estimate towards overstating the ban's effect.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5af08e3baa6dd77e", "field": "lesson", "text": "a continuous monitoring station", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-1eda123f8c5e7044" ], "supportNote": "The station description documents continuous NO2 measurement at the banned section since 12 February 2002, on the median strip at Max-Brauer-Allee 92/94.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-fb10a7aa365503ac", "field": "lesson", "text": "a binding 40 µg/m³ limit", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The press release cites the annually averaged NO2 immission value of 40 µg/m³ that the clean-air plan must achieve as quickly as possible.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-03da137838c18aa9", "field": "lesson", "text": "a court order", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The release recounts the 2014 judgment (9 K 1280/13) that sentenced the city to amend its clean-air plan — the legal driver behind the ban.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-51745d4b17796e42", "field": "lesson", "text": "an officer waving a car to the kerb to read its registration papers", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2" ], "supportNote": "The report describes officers on motorcycles and in patrol cars waving suspected violators out of traffic and leading them to control points for checking.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ff3c31bb01427694", "field": "lesson", "text": "because a German licence plate does not encode the Euro class", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-77b177ad6e3ad19c", "src-4a6db2a33aa030b2" ], "supportNote": "Vehicles had to be stopped and their papers checked precisely because no external marking identifies the emissions class; BUND demanded a 'klare Kennzeichnung aller Dieselfahrzeuge' for exactly that reason.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ecf5f5bfb3a3d0fc", "field": "lesson", "text": "the blue windscreen badge that would have marked compliant diesels was never introduced", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-77b177ad6e3ad19c" ], "supportNote": "A year into the ban, BUND was still demanding the 'Blaue Plakette' — evidence that the badge remained a demand, not a reality, 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For 2019 it reports 41 µg/m³ for station 846 (DEHH070, Hamburg Max-Brauer-Allee II) and 40 µg/m³ for station 802 (DEHH026, Stresemannstraße) — the federal record of the contested 2019 value. Year parameter selects other years of the same series.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 18, "claimsMapped": 18, "sourcesTotal": 20, "sourcesUsedByClaims": 10, "sourcesWithPublicationDate": 8, "sourcesWithArchive": 1, "sourcesWithExactLocator": 0, "sourcesWithContentHash": 0 }, "limits": [ "Publisher names and source languages have not yet been classified; domains are recorded without guessing.", "Existing source notes are descriptive locators, not page- or paragraph-exact citations.", "A missing archive, publication date or content hash is shown as null rather than inferred.", "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim." ] } }, { "id": "2026-08-28-story-claims", "createdAt": "2026-08-28T10:19:58Z", "effectiveAt": "2026-08-28", "changeType": "update", "summary": "Added the long-form story page and anchored 22 of its passages to the sources, so every factual sentence on it resolves to a document — the chronology from the 2014 court order to the 2023 lifting, the NO2 series per year and measuring height, and the criticism from both directions on day one.", "preparedBy": { "type": "automation", "label": "AI-assisted evidence preparation", "humanApproved": false }, "review": { "status": "unreviewed", "by": null, "date": null, "note": "Awaiting operator and domain-expert review; publication of this revision implies neither." }, "changes": [ { "operation": "replace", "path": "/snapshot/claims", "summary": "Updated claims to the current sourced project record." }, { "operation": "replace", "path": "/snapshot/sources", "summary": "Updated sources to the current sourced project record." } ], "snapshotHash": "sha256:c963e00ab6c717b491566453903b77740623e37b5c014ec4b7f75b452563b18f", "snapshot": { "asOf": "2026-08-28", "projectFingerprint": "sha256:a3ec73fe246552217ac73c3faacbd48aaddc6a6aa2605a1123820927f230aea8", "assurance": { "status": "unreviewed", "scope": "evidence-passport-revision", "statement": "AI-assisted structural preparation. This revision has not been reviewed by a human or subject-matter expert.", "machineChecks": [ "schema", "publication-diff-contract", "material-project-fingerprint", "claim-text-drift", "source-reference-resolution", "complete-source-dossier", "snapshot-hash" ] }, "projectState": { "status": "completed", "outcome": "succeeded", "evidenceGrade": "independent", "timeline": { "started": 2018, "ended": 2023 } }, "governance": { "operator": "Behörde für Umwelt, Klima, Energie und Agrarwirtschaft (BUKEA); air monitoring by Institut für Hygiene und Umwelt", "actorTypes": [ "city-government" ], "fundingModel": null, "fundingDescription": null, "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-7d6413e05f439d23", "field": "snippet", "text": "Germany's first diesel driving ban", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf", "src-9087fc9835d4acb5" ], "supportNote": "The EU observatory states Hamburg is 'first in Germany to introduce urban vehicle access restrictions on diesel vehicles'; the NZZ headline of the launch day says the same. Superlative checked against the entry's own sources.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-38eea77c0e0e9e17", "field": "snippet", "text": "from 31 May 2018 two Altona street sections barred pre-Euro-6 diesels", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf" ], "supportNote": "The observatory names the start day ('Starting on Thursday, the 31st of May 2018'), the district ('located in the city district of Altona-Nord') and the standard ('Vehicles that do not meet Euro 6 standards will be affected').", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5445f3efefbf36eb", "field": "snippet", "text": "580 m of Max-Brauer-Allee (cars and trucks) and 1.6 km of Stresemannstraße (trucks only)", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf" ], "supportNote": "The observatory quotes the clean-air plan's section lengths and notes the Stresemannstraße strip 'bans only lorries and not cars'.", "caveat": "Contemporary press rounded the sections to 600 m and 1.7 km; the figures here are the official clean-air-plan lengths.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e48ae5fdbe57bd66", "field": "snippet", "text": "Enforcement was manual police document checks, never cameras", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2", "src-f138f8ec45a7afd6" ], "supportNote": "t-online documents officers waving vehicles out of traffic to check them at control points; BUKEA's 2023 release names the police as the body responsible for monitoring violations for the ban's entire run. No camera system is mentioned in any source across the ban's five years.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-dca6c5b6a59240a9", "field": "snippet", "text": "Hamburg lifted both in September 2023 after NO2 fell below the 40 µg/m³ limit", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-f138f8ec45a7afd6" ], "supportNote": "The environment authority's release of 13 September 2023 announces both restrictions lifted, on an expert forecast of safe, permanent limit compliance without them.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-0117847199fea9f9", "field": "impact", "text": "exceeded the 40 µg/m³ EU annual limit from 2012 to 2016", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The court's press release recounts the clean-air plan's finding that the annual limit was exceeded at the Max-Brauer-Allee II station in 2012–2016.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-954bbbb6c25974a0", "field": "impact", "text": "stood at 28 µg/m³ in 2025", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5ad10b6668b18d1b" ], "supportNote": "The station's official assessment page for 2025 lists the NO2 annual mean as 28 µg/m³ against the 40 µg/m³ limit ('Grenzwert eingehalten').", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-42ed9ab4fd091821", "field": "impact", "text": "the limit was met from 2019 to 2022", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The court's press release states this verbatim for the Max-Brauer-Allee II station.", "caveat": "Hamburg's own annual data and the federal balance record 41 µg/m³ at the 1.5 m intake in 2019 — the next sentence carries that reading; the two primary records disagree for 2019.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9e919284ae021109", "field": "impact", "text": "the station's own reading at the 1.5 m breathing-zone intake was still 41 µg/m³ in 2019, just above the limit, while the 4 m intake read 38", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-820abfe0c0eb0dd9" ], "supportNote": "The network's 2019 annual data says the limit was undercut at 4 m (38 µg/m³) and 'nur knapp' exceeded at 1.5 m (41 µg/m³); the station page defines 1.5 m as the 'Atemzone'. The Umweltbundesamt annual balance likewise records 41 for DEHH070 in 2019.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ebe7eff359d31895", "field": "impact", "text": "estimated roughly -6.9 µg/m³ against control stations", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The authors' preferred specification (31.5.2017–30.5.2019, nationwide control group) finds NO2 fell by a one-off 6.89 µg/m³ more in the banned streets than in the control group.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-f58b0e6178d67064", "field": "impact", "text": "estimates swing between -4 and -11.7 µg/m³ depending on the comparison period and control group chosen", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The abstract states that small changes to periods, control groups and control variables produce significantly different results; Table 4 spans -4.231 (not significant) to -11.668, and the text singles out '-11,7 µg/m³ (-19%)' for the Hamburg-only control group.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e8457cb7b475e88a", "field": "impact", "text": "even the authors caution that fleet changes and the clean-air plan's other measures may inflate the estimate", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The authors write that unconsidered exogenous factors — ÖPNV fleet modernisation, bike-sharing, and the clean-air plan's ten measure packages — could bias the estimate towards overstating the ban's effect.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5af08e3baa6dd77e", "field": "lesson", "text": "a continuous monitoring station", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-1eda123f8c5e7044" ], "supportNote": "The station description documents continuous NO2 measurement at the banned section since 12 February 2002, on the median strip at Max-Brauer-Allee 92/94.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-fb10a7aa365503ac", "field": "lesson", "text": "a binding 40 µg/m³ limit", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The press release cites the annually averaged NO2 immission value of 40 µg/m³ that the clean-air plan must achieve as quickly as possible.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-03da137838c18aa9", "field": "lesson", "text": "a court order", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The release recounts the 2014 judgment (9 K 1280/13) that sentenced the city to amend its clean-air plan — the legal driver behind the ban.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-51745d4b17796e42", "field": "lesson", "text": "an officer waving a car to the kerb to read its registration papers", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2" ], "supportNote": "The report describes officers on motorcycles and in patrol cars waving suspected violators out of traffic and leading them to control points for checking.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ff3c31bb01427694", "field": "lesson", "text": "because a German licence plate does not encode the Euro class", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-77b177ad6e3ad19c", "src-4a6db2a33aa030b2" ], "supportNote": "Vehicles had to be stopped and their papers checked precisely because no external marking identifies the emissions class; BUND demanded a 'klare Kennzeichnung aller Dieselfahrzeuge' for exactly that reason.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-ecf5f5bfb3a3d0fc", "field": "lesson", "text": "the blue windscreen badge that would have marked compliant diesels was never introduced", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-77b177ad6e3ad19c" ], "supportNote": "A year into the ban, BUND was still demanding the 'Blaue Plakette' — evidence that the badge remained a demand, not a reality, throughout.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5501d5892c277bde", "field": "body", "text": "In November 2014 the Hamburg administrative court ordered the city to amend its clean-air plan so that it would meet the 40 µg/m³ nitrogen dioxide limit as quickly as possible", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The 2023 judgment recites the 2014 order as the origin of the clean-air plan update the ban belongs to.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-e69284fa300cd149", "field": "body", "text": "adopted on 30 June 2017, it prescribed the two street-section diesel restrictions among its measures", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The judgment names the plan update of 30 June 2017 as the legal basis of the restriction.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-681eda5efe01b384", "field": "body", "text": "the Federal Administrative Court in Leipzig ruled on 27 February 2018 that diesel traffic bans are exceptionally permissible, subject to proportionality", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-22a7eb1ac48afd89" ], "supportNote": "The Federal Administrative Court's own press release states the finding and the proportionality condition.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-508bc4023ca49b73", "field": "body", "text": "Hamburg's environment authority announced that from Thursday 31 May 2018 diesel vehicles below Euro 6 would face restrictions on the two sections, with residents, delivery vehicles, taxis, rescue and public-service vehicles exempt", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-00e8a7eb0a4220cf" ], "supportNote": "The Commission's mobility observatory reports the start date, the Euro 6 threshold and the exemptions.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-96f05e7f3f7fbac9", "field": "body", "text": "Greenpeace's spokesman said it was not enough to make a few hundred metres of street slightly less dirty", "statementKind": "descriptive", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-9087fc9835d4acb5" ], "supportNote": "The NZZ report of the first day quotes the Greenpeace spokesman directly.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-fc3090bfb8f1d0d8", "field": "body", "text": "the CDU's economics spokesman published figures showing that 272 residents were relieved on one of the banned streets while thousands live along the diversion routes, and called it pure symbolic politics", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-f39f2801655b84ba" ], "supportNote": "Handelsblatt reports both the CDU spokesman's figures and his verdict on the same day.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-87ff5de0d2029bfc", "field": "body", "text": "Three weeks in, the police mounted their first large-scale checkpoint operation on Stresemannstraße; of more than 200 vehicles sampled in the preceding weeks, about half did not meet the current emissions standard", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2" ], "supportNote": "The report of the checkpoint operation carries the sample size and the share that failed, attributed to the responsible police director.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-1851e9fea187af7c", "field": "body", "text": "Fines were set at 20 euros for cars and 75 euros for trucks", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-4a6db2a33aa030b2" ], "supportNote": "The same report states the fines for cars and for trucks.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-79089d2601220c7d", "field": "body", "text": "BUND attributed the weak effect on Max-Brauer-Allee partly to lax checks, but above all to the high share of Euro 6 vehicles inside the zone that meet the limits on the test bench and not in real driving", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-77b177ad6e3ad19c" ], "supportNote": "BUND's one-year balance names both causes in its own words.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-25b16a9cc9eaf256", "field": "body", "text": "The high point was 2016, at 58 µg/m³ — 45 per cent above the limit", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-fb87becc8d274a68" ], "supportNote": "The 2017 annual leaflet reports the 2016 figure as the previous year's value at the 1.5 m intake.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-c53664ed6e7cf18a", "field": "body", "text": "before the ban existed, the 2017 reading fell to 46 µg/m³, a drop the air network attributed to construction work rerouting traffic rather than to policy", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-fb87becc8d274a68" ], "supportNote": "The air network's own leaflet reports the drop and attributes it to construction-related traffic rerouting.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-1a2ed5050306589a", "field": "body", "text": "In 2018, the ban's first calendar year, all four of Hamburg's traffic-side stations still exceeded the limit at both measuring heights", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-5baa308f7de9069b" ], "supportNote": "The 2018 leaflet states that all four traffic-side stations exceeded the limit at both measuring heights.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-cc2298aacd72ed25", "field": "body", "text": "the first year both banned sections sat clearly below the limit was 2020, at 36 and 34 µg/m³", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-1557d67191fea8bf" ], "supportNote": "The 2020 leaflet's station table carries both values at the 1.5 m intake.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-874504d567e67a32", "field": "body", "text": "The 2023 court account states that the limit at Max-Brauer-Allee was met from 2019 to 2022", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The judgment states the compliance period for the station in exactly these years.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-f88908927fd48000", "field": "body", "text": "in 2019 the limit was met at the 4 metre intake with 38 µg/m³, while the breathing-zone intake at 1.5 metres was still just above it at 41", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-820abfe0c0eb0dd9" ], "supportNote": "The 2019 leaflet reports both intakes separately: compliance at 4 m, a narrow exceedance at 1.5 m.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-d043fbe9ac44bacc", "field": "body", "text": "Aydin and Maennig at the University of Hamburg estimated a one-off reduction of 6.89 µg/m³ in their preferred specification", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The paper reports this as the estimate of its preferred specification.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-5044a2bbfce6979c", "field": "body", "text": "The authors report that estimates swing between roughly 4 and 11.7 µg/m³ depending on the comparison period and the control group chosen", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The authors make the instability of the estimate their own headline finding.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-65ae7e841d35ad9d", "field": "body", "text": "even in 2019, three of Hamburg's four traffic-side stations still recorded annual means above the limit", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-5abb6c67e3c52aee" ], "supportNote": "The paper notes the wider context alongside its own estimate.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-3da05f889612cc00", "field": "body", "text": "In May 2023 the administrative court dismissed a Euro 5 diesel owner's challenge to the Max-Brauer-Allee restriction, holding it lawful while the current clean-air plan prescribed it, but noting that a fresh forecast of whether it was still needed was reserved to the plan-maker", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-78983a575e95aae2" ], "supportNote": "The judgment states both the dismissal and that a fresh forecast is reserved to the plan-maker.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-b52f7f7f2527c079", "field": "body", "text": "On 13 September 2023 the city lifted both restrictions, because the draft third plan update forecast compliance with the limit without them", "statementKind": "quantitative", "textMode": "verbatim-from-story-page", "mappingStatus": "mapped", "sourceRefs": [ "src-f138f8ec45a7afd6" ], "supportNote": "The authority's release gives the date and the reason: compliance is forecast without the measures.", 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states no publication date — date null is a finding, the PDF CreationDate is a production artifact): Max-Brauer-Allee 30 µg/m³, Stresemannstraße 33 µg/m³ — the year the bans were lifted.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-3d000137dfaec224", "title": "Hamburger Luftmessnetz: Jahresdaten-Tabelle 2024", "url": "https://luft.hamburg.de/resource/blob/1013806/74b78c3cb2797f51c6e7148dd3134a31/jahresdaten-tabelle-2024-data.pdf", "publisher": { "name": null, "domain": "luft.hamburg.de", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-64aed914d35e0647" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Official 2024 annual data table (uncommented, 'endgültige Daten'; states no publication date): first full year after the lifting — Max-Brauer-Allee 27 µg/m³, Stresemannstraße 30 µg/m³, both well below the limit.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-05ab120fda203970", "title": "Umweltbundesamt Luftdaten-API: NO2-Jahresbilanz 2019 (Stationen DEHH070/DEHH026)", "url": "https://www.umweltbundesamt.de/api/air_data/v3/annualbalances/json?component=5&year=2019", "publisher": { "name": null, "domain": "umweltbundesamt.de", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-08-28", "dossierCreatedAt": "2026-08-28", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "The federal Environment Agency's machine-readable annual NO2 balance (continuously served API, states no publication date). For 2019 it reports 41 µg/m³ for station 846 (DEHH070, Hamburg Max-Brauer-Allee II) and 40 µg/m³ for station 802 (DEHH026, Stresemannstraße) — the federal record of the contested 2019 value. 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