{
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 "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": "warsaw-clean-transport-zone",
  "title": "Warsaw's Clean Transport Zone and Its Plate-Reading Patrols",
  "canonicalUrl": "https://1001smartcities.org/projects/warsaw-clean-transport-zone/"
 },
 "currentRevisionId": "2026-10-17-baseline",
 "revisions": [
  {
   "id": "2026-10-17-baseline",
   "createdAt": "2026-10-17T22:21:25Z",
   "effectiveAt": "2026-10-17",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 23 claims and 14 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:e4b29b9ece5bab14211053cf57ef46daa84e61a4ea1172f569fe173dd9f69e7d",
   "snapshot": {
    "asOf": "2026-10-17",
    "projectFingerprint": "sha256:b7b5e1d7dc1a8111758d2d1713c123ce480d26719364c2210bf89c1adaba5491",
    "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": "live",
     "outcome": "ongoing",
     "evidenceGrade": "peer-reviewed",
     "timeline": {
      "started": 2024,
      "ended": null
     }
    },
    "governance": {
     "operator": "City of Warsaw: Zarząd Dróg Miejskich (ZDM) administers the zone, the register check and exemptions; the municipal police (Straż Miejska m.st. Warszawy) enforces it",
     "actorTypes": [
      "city-government"
     ],
     "fundingModel": "public",
     "fundingDescription": null,
     "cost": null,
     "ownership": null,
     "decisionRights": null,
     "exitConditions": null
    },
    "claims": [
     {
      "id": "clm-1112e4119f430bee",
      "field": "snippet",
      "text": "the first such zone in force in Poland",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2adec8a1c26b9f04",
       "src-903d3ee5808e7db1"
      ],
      "supportNote": "Both outlets call Warsaw's zone the first clean transport zone in Poland; Auto Świat on launch day, GLOBEnergia in February 2026.",
      "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-c9ac9dd6ecbcacd3",
      "field": "snippet",
      "text": "has kept the oldest cars out of 37 km² of the centre, about 7% of the city, since 1 July 2024",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-07c7e289c6c35e74"
      ],
      "supportNote": "The road authority's page states the zone started on 1 July 2024, restricts the most polluting vehicles and covers 37 km², 7% of the capital.",
      "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-1690e863a20d199e",
      "field": "snippet",
      "text": "The city council adopted it on 7 December 2023 by 37 votes to 16.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2d64ee60f569b3f1"
      ],
      "supportNote": "The report dates the council vote to 7 December 2023 and gives 37 votes for and 16 against, with two abstentions.",
      "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-e633fc00a2868fb5",
      "field": "snippet",
      "text": "There is no charge and no gate",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-903d3ee5808e7db1",
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      ],
      "supportNote": "The city spokesperson says the zone involves no charges; Auto Świat notes there are no barriers or permanent checkpoints at its entrances.",
      "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-3a3809b14470def2",
      "field": "snippet",
      "text": "age and emission-standard limits tighten every two years until 2032",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-903d3ee5808e7db1"
      ],
      "supportNote": "The spokesperson says the resolution lowers the permitted vehicle age every two years, on a schedule written out to 2032, with no change to the area.",
      "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-5fce71bbecd5daf4",
      "field": "snippet",
      "text": "since 1 January 2026 petrol cars must meet Euro 3 or date from 2000 onwards, diesels Euro 5 or 2009",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-8db4f7c6f4a231ac",
       "src-07c7e289c6c35e74"
      ],
      "supportNote": "From 1 January 2026, petrol cars meeting Euro 3 or built from 2000, and diesels meeting Euro 5 or built from 2009, may enter; the ZDM page states the same second-stage limits.",
      "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-9667e020620f7145",
      "field": "snippet",
      "text": "Municipal police patrols place a camera that reads number plates and checks them against the Central Vehicle Register, then stop flagged drivers.",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5a3f17df9cb91b7e",
       "src-e5e282ea4cd5fe0b"
      ],
      "supportNote": "A municipal police patrol sets a plate-reading camera in front of its car and watches whether the system flags a non-compliant vehicle, with data from the Central Vehicle Register; if so, officers stop the driver and verify. TVN24 quotes the municipal police on four mobile cameras matching plates against the database of entitled vehicles.",
      "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-218e3de233d14e5d",
      "field": "snippet",
      "text": "Residents who pay tax in Warsaw are exempt until the end of 2027",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-07c7e289c6c35e74"
      ],
      "supportNote": "The road authority states that residents registered in Warsaw who pay tax there are exempt until the end of 2027; the exemption covers vehicles registered before 1 January 2024.",
      "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-9f4075b54fc13230",
      "field": "snippet",
      "text": "people aged 70 by the end of 2023 for good",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-903d3ee5808e7db1",
       "src-2d64ee60f569b3f1"
      ],
      "supportNote": "Seniors who turned 70 by 31 December 2023 are exempt without time limit, provided they owned the car before the resolution.",
      "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-7056836aaaf6a44a",
      "field": "snippet",
      "text": "any car may enter four times a year; the fifth entry risks a fine of up to 500 zł",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-5a3f17df9cb91b7e"
      ],
      "supportNote": "Anyone may enter without consequence up to four times a year; a penalty applies only from the fifth entry; unauthorised entry carries a fine of up to 500 zł under Article 96c of the Code of Petty Offences.",
      "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-27eef24de118c4eb",
      "field": "impact",
      "text": "In the first six months the cameras logged 64,430 vehicles entering, 740 of them not entitled, and no offence",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
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      ],
      "supportNote": "Municipal police figures relayed by Auto Świat: 64,430 vehicles registered entering the zone in its first half-year, 740 not entitled, and no violation of Article 96c recorded, since none passed the four-day limit.",
      "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-5da30c96b771104d",
      "field": "impact",
      "text": "in July 2025 the deputy commander of the municipal police said non-compliant cars made up under 0.6% of entries and none had passed the four-day limit",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e0cf441cfe53ea39"
      ],
      "supportNote": "Bartłomiej Zieliński, deputy commander of the Warsaw municipal police, said non-compliant entries were under 0.6% of all entries recorded by the control devices and that no ineligible vehicle had passed the four-day limit in 2024 or 2025.",
      "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-3b841729e3a1143b",
      "field": "impact",
      "text": "The first fine was issued in late 2025.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-38e507fa5d90c507",
       "src-8db4f7c6f4a231ac"
      ],
      "supportNote": "OTOMOTO dates the first fine to mid-November 2025; Auto Świat reported the first fine in the zone's history on 5 December 2025.",
      "caveat": "Super Express wrote in September 2026 that the municipal police began issuing fines only in January 2026.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-a5cba6cbbfca28ee",
      "field": "impact",
      "text": "From 1 January to 20 February 2026, after the second stage began, the municipal police recorded 87 violations and imposed 16 fines.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e5e282ea4cd5fe0b"
      ],
      "supportNote": "The municipal police told TVN24 it recorded 87 violations from the start of 2026 to 20 February, opened 58 proceedings, imposed 16 fines and applied 13 educational measures.",
      "caveat": "GLOBEnergia quoted lower municipal police figures for the period to 13 February 2026: 28 violations and 5 fines.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-b2929c9ca3b47e27",
      "field": "impact",
      "text": "Preliminary city monitoring data published by campaigners around the zone's second anniversary show average annual nitrogen dioxide falling 18% at stations inside the zone between 2023 and 2025 against 5% outside",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3063ff423e1360cb",
       "src-836967746da40ed6"
      ],
      "supportNote": "Notes from Poland reports preliminary data from the city's Office of Air Protection and Climate Policy, published by Clean Cities Polska: NO2 down 18% inside the zone against 5% outside; Super Express gives the same 2023–2025 comparison, published on the second anniversary and attributed to Warszawski Alarm Smogowy.",
      "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-5b465c5f968addd5",
      "field": "impact",
      "text": "they do not prove that the clean transport zone alone caused the larger decline",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-3063ff423e1360cb"
      ],
      "supportNote": "The director of Clean Cities Polska called the results promising but said they do not prove the zone alone caused the larger decline, since weather, traffic volumes and fleet turnover also matter.",
      "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-b37e2c37c0ba120f",
      "field": "impact",
      "text": "A peer-reviewed first-year study in Cities found no consistent air-quality difference in 2024 and, by March 2025, higher particulate and nitrogen dioxide concentrations inside the zone in its observation-level analysis, with partial confirmation in the station-averaged analysis and with interpretation limited by meteorology and monitor coverage.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-9881e5132d08c1c0",
       "src-f9ddd7f571692ef9"
      ],
      "supportNote": "The study's abstract (reprinted in the TRID index record) reports no consistent air-quality differences in 2024 and, by March 2025, higher particulate matter and NO2 inside the zone in the observation-level analysis, partially confirmed in the station-averaged analysis, with interpretation limited by meteorology and monitor coverage.",
      "caveat": "The study compares three monthly snapshots, not annual averages, and is not weather-normalised.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-6d1e94d5b6e6f409",
      "field": "lesson",
      "text": "exempted its own taxpaying residents until 2028",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-2d64ee60f569b3f1",
       "src-07c7e289c6c35e74"
      ],
      "supportNote": "The rules apply to Warsaw's registered, taxpaying residents only from January 2028.",
      "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-b5cbab7e908119d3",
      "field": "lesson",
      "text": "so the zone so far bites mainly on visitors and has drawn far less anger than Kraków's",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-836967746da40ed6"
      ],
      "supportNote": "Super Express writes that the zone so far affects only visitors, not Varsovians, which is why it has not caused as much emotion as in Kraków.",
      "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-7da94020a886eaf0",
      "field": "lesson",
      "text": "entering is a petty offence rather than an administrative charge, so a camera reading a plate cannot issue a fine: the driver has to be stopped",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-8db4f7c6f4a231ac",
       "src-e0cf441cfe53ea39"
      ],
      "supportNote": "Unauthorised entry is a petty offence, so the offender must be identified, not just the plate read; it is a fine under the Code of Petty Offences, not an administrative charge on the owner. Clean Cities Polska says effective enforcement needs a legislative move from penal to administrative mode.",
      "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-9cfe8f47b1314c9f",
      "field": "lesson",
      "text": "a few patrols with four cameras cover 37 km²",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
       "src-e0cf441cfe53ea39",
       "src-07c7e289c6c35e74"
      ],
      "supportNote": "A few municipal police patrols with four cameras enforce the zone; the ZDM page gives its area as 37 km².",
      "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-04c37e4cd31cb86e",
      "field": "lesson",
      "text": "The fifteen traffic-management cameras the city lined up in 2026 are for statistics, not penalties.",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
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       "src-8db4f7c6f4a231ac"
      ],
      "supportNote": "ZDM said the traffic-management system operator, Yunex, would prepare fifteen devices by spring 2026 to collect statistics on the zone, and that the camera analysis 'will serve only to gather information and does not mean checking drivers'.",
      "caveat": "Whether the fifteen devices began collecting data had not been reported by mid-October 2026.",
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     },
     {
      "id": "clm-6d5c364f35c058d2",
      "field": "lesson",
      "text": "the study's authors call for follow-ups with weather normalisation and causal designs",
      "statementKind": "descriptive",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
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       "src-f9ddd7f571692ef9"
      ],
      "supportNote": "The abstract closes by recommending further waves with meteorological normalisation and causal designs.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
     }
    ],
    "sources": [
     {
      "id": "src-07c7e289c6c35e74",
      "title": "ZDM Warszawa — Strefa Czystego Transportu (rules, exemptions and applications)",
      "url": "https://zdm.waw.pl/sprawy/strefa-czystego-transportu/",
      "publisher": {
       "name": null,
       "domain": "zdm.waw.pl",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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       "clm-5fce71bbecd5daf4",
       "clm-218e3de233d14e5d",
       "clm-6d1e94d5b6e6f409",
       "clm-9cfe8f47b1314c9f"
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      "temporal": {
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       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-10-17",
       "dossierCreatedAt": "2026-10-17",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The city road authority's page for the zone: 37 km², about 7% of Warsaw, most of Śródmieście and parts of the neighbouring districts, in force since 1 July 2024; the 2026 stage rules; residents registered in Warsaw and paying tax there exempt until the end of 2027; the online register check and sticker application.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-2d64ee60f569b3f1",
      "title": "OTOMOTO News — Taka będzie strefa czystego transportu w Warszawie. Radni przegłosowali uchwałę (8 Dec 2023)",
      "url": "https://www.otomoto.pl/news/taka-bedzie-strefa-czystego-transportu-w-warszawie-radni-przeglosowali-uchwale",
      "publisher": {
       "name": null,
       "domain": "otomoto.pl",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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       "clm-6d1e94d5b6e6f409"
      ],
      "temporal": {
       "publishedAt": "2023-12-08",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-10-17",
       "dossierCreatedAt": "2026-10-17",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Report of the council vote of 7 December 2023 (37 for, 16 against, 2 abstentions), the reduced boundary, the residents' exemption to January 2028, the indefinite exemption for people aged 70 by the end of 2023, and the fine under Article 96c of the Code of Petty Offences.",
       "exact": false
      },
      "preservation": {
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       "contentHash": null,
       "status": "not-captured"
      }
     },
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