{ "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": "greater-manchester-clean-air-zone", "title": "Greater Manchester Clean Air Zone: ANPR Cameras for a Charge That Never Began", "canonicalUrl": "https://1001smartcities.org/projects/greater-manchester-clean-air-zone/" }, "currentRevisionId": "2026-10-16-baseline", "revisions": [ { "id": "2026-10-16-baseline", "createdAt": "2026-10-16T10:01:33Z", "effectiveAt": "2026-10-16", "changeType": "baseline", "summary": "Created the first structured Evidence Passport with 23 claims and 9 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": "sha256:60b419e76c07df3ab5243de45483f5dce182e81cca6663a6696d660d1e0563ba", "snapshot": { "asOf": "2026-10-16", "projectFingerprint": "sha256:07c7d5b95ea6f29a7a635d1b8eae01c63117ce05613ad8fbedb85fead08bd743", "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": "cancelled", "outcome": "failed", "evidenceGrade": "independent", "timeline": { "started": 2021, "ended": 2025 } }, "governance": { "operator": "Transport for Greater Manchester on behalf of the ten Greater Manchester local authorities (including Manchester City Council); ANPR cameras and Clean Air Zone service contracted to Egis; cameras transferred to Greater Manchester Police from July 2026", "actorTypes": [ "regional-government", "city-government", "national-government", "private" ], "fundingModel": "public", "fundingDescription": "Central government through the Joint Air Quality Unit (Defra and DfT): £188.4m in total for the Clean Air Plan, of which £110.7m was spent by 31 March 2026; Greater Manchester Police funds the camera transfer and ongoing operation.", "cost": null, "ownership": null, "decisionRights": null, "exitConditions": null }, "claims": [ { "id": "clm-25a20970ae225a6d", "field": "snippet", "text": "Greater Manchester's Clean Air Zone was to be a Category C charging zone across all ten boroughs of the city-region, including the City of Manchester", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636", "src-13b5ecbeae571a25" ], "supportNote": "The combined authority's report describes the endorsed plan as a Greater Manchester-wide Category C charging zone; the National Audit Office lists Manchester among the ten authorities implementing the measures together.", "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-7cfd76ef2a781a12", "field": "snippet", "text": "enforced by automatic number plate recognition (ANPR) cameras", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-07be6ad6e6df6414" ], "supportNote": "The combined authority states the cameras were installed to identify vehicles that did not meet the zone's pollution standards.", "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-8b24fb1873977478", "field": "snippet", "text": "It was meant to go live in May 2022 for non-compliant buses, lorries and taxis licensed outside Greater Manchester", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636", "src-9a6cefa26f1e3277" ], "supportNote": "The combined authority's report names May 2022 and the vehicles affected (non-compliant HGVs, buses and non-GM-registered taxis and private hire vehicles); the trade press gives the scheduled start as 30 May.", "caveat": "Vans and other light goods vehicles were to follow in a later phase; the first phase covered heavier vehicles and taxis.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-17f9c5dd174ede95", "field": "snippet", "text": "at up to £60 a day", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-9961751fb60a9084" ], "supportNote": "The Mill reports that the original plan would have charged non-compliant vehicles up to £60 a 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-5d10d00cccb9eb2d", "field": "snippet", "text": "Camera and sign installation began in summer 2021", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636" ], "supportNote": "The report states that work to install the zone's signage and ANPR cameras began in summer 2021.", "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-ce0080917b5ba7c9", "field": "snippet", "text": "under a contract with Egis covering around 900 ANPR cameras", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-02952ebcaf55ce00" ], "supportNote": "The programme's FAQ names Egis as the contractor for installing and maintaining around 900 ANPR cameras.", "caveat": "The contract figure is not the number installed: the committee counted 372 operational cameras 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-062545f088271f22", "field": "snippet", "text": "On 4 February 2022 the government agreed to a delay", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-13b5ecbeae571a25", "src-9a6cefa26f1e3277" ], "supportNote": "The National Audit Office dates the government's permission to delay to 4 February 2022; the trade press reported the pause 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-af9726aeccc71c2d", "field": "snippet", "text": "on 23 January 2025 it accepted an investment-led, non-charging plan of cleaner buses, taxi grants and traffic measures instead", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-fb392e5d204e1681", "src-cc728cd033624636" ], "supportNote": "The government press release of 23 January 2025 says Defra and DfT concluded the investment-led plan will meet legal obligations, ruling out a zone, and lists funding for buses, traffic management and taxi upgrades; the combined authority's report records the acceptance of an investment-led, non-charging plan.", "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-bfe812880839d97f", "field": "snippet", "text": "The charging zone never went ahead.", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-02952ebcaf55ce00" ], "supportNote": "The programme's FAQ describes the Category C charging zone as one which did not go ahead.", "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-8fc4efe8fb767d00", "field": "snippet", "text": "By January 2026, 372 of the cameras were operational", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5cbfb8b914473f53" ], "supportNote": "The January 2026 committee report counts 372 operational Clean Air-funded cameras.", "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-d69d5c4825ea8211", "field": "snippet", "text": "responsibility for them passed to Greater Manchester Police from 13 July 2026", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b55b165247366cef", "src-02952ebcaf55ce00" ], "supportNote": "The committee report sets the full transfer for 13 July 2026; the FAQ says Greater Manchester Police has taken ownership of the cameras.", "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-ce18752a6ed85ce3", "field": "impact", "text": "they helped Transport for Greater Manchester understand the age and location of higher polluting vehicles", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-07be6ad6e6df6414" ], "supportNote": "The combined authority says the cameras helped develop the approved plan by showing TfGM the age and location of higher-polluting vehicles.", "caveat": "This is the authority's own account; no source describes how the camera data changed the plan's measures.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-8f54e88e96841671", "field": "impact", "text": "between January 2023 and April 2025 their data supported police investigations including 63 major and serious crimes", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-07be6ad6e6df6414" ], "supportNote": "The combined authority states that between January 2023 and April 2025 the cameras' data supported police investigations, including 63 major and serious crimes.", "caveat": "A figure from the authority proposing the transfer, published to support it.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-d5a73bf61c8704ec", "field": "impact", "text": "across the Clean Air Plan's monitoring, exceedances went from 129 in 2019 to 11 in 2025, and in the City of Manchester from 65 to 9", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b55b165247366cef" ], "supportNote": "The committee report's table of Clean Air Plan exceedances (above 40.4 µg/m3) gives a total of 129 in 2019 and 11 in 2025, and for Manchester 65 and 9.", "caveat": "The same table records 29 exceedances in 2018 and 16 in 2020, and the report does not give the number of sites monitored each year, so the counts are not a like-for-like series. Manchester's 2025 count includes the A34 Bridge Street continuous monitor, where nearby diffusion tubes no longer exceed.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-a1bbdd3cef219135", "field": "impact", "text": "with the remaining problem concentrated in Manchester and Stockport", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b55b165247366cef" ], "supportNote": "The report says the remaining challenge is concentrated in fewer locations, with the most material issues in Manchester and Stockport.", "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-0e91875f8c2f90fb", "field": "impact", "text": "Of the £110.7m spent on the plan by the end of March 2026, £7.8m went to developing the zone, £20.7m to implementing it and £17.8m to operating it.", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b55b165247366cef" ], "supportNote": "The report gives expenditure of £110.7m to the end of March 2026 and, in its budget table, £7.8m, £20.7m and £17.8m spent under Clean Air Zone development, implementation and operation.", "caveat": "The programme's FAQ attaches the £110.7m to the Clean Air Zone service contract; the committee's table shows it is the whole plan's spending, including vehicle grants and the new investment-led measures.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-da572fbb4830196c", "field": "lesson", "text": "Bought to charge polluting vehicles, Greater Manchester's ANPR cameras were first used to map the vehicle fleet", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636" ], "supportNote": "The combined authority's report says the cameras installed for the planned zone were used to develop the non-charging plan by helping it understand the vehicle fleet on the city-region's roads and their emissions.", "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-4ec4c0777e7464e9", "field": "lesson", "text": "because the Surveillance Camera Code of Practice requires consultation before a change of purpose", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5cbfb8b914473f53" ], "supportNote": "The committee report states that under the Surveillance Camera Code of Practice any change to a camera system's purposes should be consulted on before a decision is taken.", "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-d353476318b29e97", "field": "lesson", "text": "offered to the police in a public consultation in which 89.7% of 4830 respondents agreed", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-5cbfb8b914473f53" ], "supportNote": "The report records 4830 responses and 89.7% agreeing to change the cameras' primary use to law enforcement.", "caveat": "Respondents chose to take part; the consultation is not a representative survey.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-760082ddfc8efedb", "field": "lesson", "text": "a charging zone designed before the pandemic met a second-hand vehicle market it had not planned for", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636", "src-13b5ecbeae571a25" ], "supportNote": "The combined authority's report says the zone was designed to comply with a direction issued before the pandemic; the NAO records Greater Manchester's evidence that the pandemic's impact on the price and availability of second-hand vehicles would make upgrading harder.", "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-f423bc9b49eb2e9d", "field": "lesson", "text": "the National Audit Office records the pandemic's effect on vehicle prices and availability as a reason given for letting Greater Manchester delay", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-13b5ecbeae571a25" ], "supportNote": "The NAO report says the pandemic's impact on supply chains, and its effect on the price and availability of second-hand vehicles, was a reason given for the February 2022 decision to let Greater Manchester delay.", "caveat": "Press reports from the time also describe a public backlash against the charges and the size of the zone.", "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-cd336d53c77757de", "field": "lesson", "text": "the 2022 direction dropped the charging zone but set a 2026 deadline", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-cc728cd033624636" ], "supportNote": "The report says the 8 February 2022 direction revoked the March 2020 direction to implement a Category C zone and requires compliance by no later than 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-120d040934eba591", "field": "lesson", "text": "a 2025 direction now binds the non-charging plan", "statementKind": "quantitative", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-b55b165247366cef" ], "supportNote": "The report states Greater Manchester remains subject to the 2025 Air Quality Direction requiring the agreed measures to be delivered so that compliance is achieved by 2026 at the latest.", "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-b55b165247366cef", "title": "Greater Manchester Combined Authority — GM Clean Air Plan update to the Air Quality Administration Committee (3 Aug 2026)", "url": "https://democracy.greatermanchester-ca.gov.uk/documents/s44490/AQAC%2020260629%20GM%20Clean%20Air%20Plan.pdf", "publisher": { "name": null, "domain": "democracy.greatermanchester-ca.gov.uk", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-d69d5c4825ea8211", "clm-d5a73bf61c8704ec", "clm-a1bbdd3cef219135", "clm-0e91875f8c2f90fb", "clm-120d040934eba591" ], "temporal": { "publishedAt": "2026-08-03", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Report of the GM Clean Air Lead (contact officer at TfGM). States that responsibility for the ANPR cameras transfers fully to Greater Manchester Police from 13 July 2026 and Clean Air Zone signage removal is substantially complete; tabulates Clean Air Plan monitoring exceedances by borough from 2018 to 2025 (129 in 2019, 11 in 2025; Manchester 65 and 9), with remaining problems concentrated in Manchester and Stockport; records that Greater Manchester remains under the 2025 Air Quality Direction; and lists expenditure of £110.7m against £188.4m of government funding to 31 March 2026, including £7.8m, £20.7m and £17.8m for Clean Air Zone development, implementation and operation.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-5cbfb8b914473f53", "title": "Greater Manchester Combined Authority — GM Clean Air Plan – January 2026 Update (29 Jan 2026)", "url": "https://democracy.greatermanchester-ca.gov.uk/mgConvert2PDF.aspx?ID=41957", "publisher": { "name": null, "domain": "democracy.greatermanchester-ca.gov.uk", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-8fc4efe8fb767d00", "clm-4ec4c0777e7464e9", "clm-d353476318b29e97" ], "temporal": { "publishedAt": "2026-01-29", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Committee report recording that 372 Clean Air-funded ANPR cameras are operational, that the Surveillance Camera Code of Practice requires consultation before a change of purpose, and that the consultation drew 4,830 responses with 89.7% agreeing to make crime detection the cameras' primary use; recommends that Greater Manchester Police take ownership and share data with TfGM for Clean Air Plan monitoring.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-cc728cd033624636", "title": "Greater Manchester Combined Authority — GM Clean Air Plan – January 2025 Update (31 Jan 2025)", "url": "https://democracy.greatermanchester-ca.gov.uk/documents/s35924/14%20GM%20CAP%20Update%20Jan%2025%20FINAL.pdf", "publisher": { "name": null, "domain": "democracy.greatermanchester-ca.gov.uk", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-25a20970ae225a6d", "clm-8b24fb1873977478", "clm-5d10d00cccb9eb2d", "clm-af9726aeccc71c2d", "clm-da572fbb4830196c", "clm-760082ddfc8efedb", "clm-cd336d53c77757de" ], "temporal": { "publishedAt": "2025-01-31", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Report to the combined authority after the government's decision. Says the Category C zone was meant to go live from May 2022 for non-compliant HGVs, buses and non-GM-registered taxis and private hire vehicles; that camera and sign installation began in summer 2021; that the government agreed in February 2022 to lift the 2024 direction; and that the 8 February 2022 direction, which revoked the March 2020 direction to implement a Category C zone, requires compliance by no later than 2026.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-02952ebcaf55ce00", "title": "Clean Air Greater Manchester — Clean Air Plan: Frequently Asked Questions", "url": "https://cleanairgm.com/faqs/", "publisher": { "name": null, "domain": "cleanairgm.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-ce0080917b5ba7c9", "clm-bfe812880839d97f", "clm-d69d5c4825ea8211" ], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "The programme's standing FAQ. Names Egis as responsible for installing and maintaining around 900 ANPR cameras and running the zone's payments and penalty office; describes the charging zone as one 'which did not go ahead'; says the costs were funded or underwritten by government and that Greater Manchester Police has taken ownership of the cameras for crime detection and will share data with TfGM.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-07be6ad6e6df6414", "title": "Greater Manchester Combined Authority — Consultation seeks views on number plate camera plans (26 Sep 2025)", "url": "https://www.greatermanchester-ca.gov.uk/news/consultation-seeks-views-on-number-plate-camera-plans-to-keep-greater-manchester-communities-safe/", "publisher": { "name": null, "domain": "greatermanchester-ca.gov.uk", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-7cfd76ef2a781a12", "clm-ce18752a6ed85ce3", "clm-8f54e88e96841671" ], "temporal": { "publishedAt": "2025-09-26", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Launch of the six-week consultation on transferring the former Clean Air Zone cameras to Greater Manchester Police. Says the cameras helped TfGM understand the age and location of higher-polluting vehicles, that their data supported police investigations including 63 major and serious crimes between January 2023 and April 2025, that they do not use facial recognition, and that their locations are not disclosed.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-fb392e5d204e1681", "title": "Defra and Department for Transport — Government backs local plans for clean air in Greater Manchester (23 Jan 2025)", "url": "https://www.gov.uk/government/news/government-backs-local-plans-for-clean-air-in-greater-manchester--2", "publisher": { "name": null, "domain": "gov.uk", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-af9726aeccc71c2d" ], "temporal": { "publishedAt": "2025-01-23", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Government press release: Defra and DfT assessed the investment-led plan and concluded it will meet legal obligations on nitrogen dioxide, ruling out a Clean Air Zone; funding of £86 million including £51.1m for 40 zero-emission and 77 Euro VI buses, £5m for traffic management and £8m for taxis; local leaders may review and cancel contracts for signs and cameras.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-13b5ecbeae571a25", "title": "National Audit Office — Tackling local breaches of air quality (17 Jun 2022)", "url": "https://www.nao.org.uk/wp-content/uploads/2022/01/Tackling-local-breaches-of-air-quality.pdf", "publisher": { "name": null, "domain": "nao.org.uk", "classification": "not-classified" }, "sourceType": "pdf", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-25a20970ae225a6d", "clm-062545f088271f22", "clm-760082ddfc8efedb", "clm-f423bc9b49eb2e9d" ], "temporal": { "publishedAt": "2022-06-17", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Report by the Comptroller and Auditor General (HC 66). Lists Manchester among the ten Greater Manchester authorities implementing measures together; records that on 4 February 2022 the government granted permission to delay the Clean Air Zone and on 8 February 2022 directed a revised plan by July 2022, with the pandemic's effect on the price and availability of second-hand vehicles as a reason given; and that the proposed zone accounted for £191 million of awards to local authorities to 2021-22.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-9a6cefa26f1e3277", "title": "Local Transport Today (TransportXtra) — Greater Manchester Clean Air Zone paused (4 Feb 2022)", "url": "https://transportxtra.com/publications/new-transit/news/70535/greater-manchester-clean-air-zone-paused", "publisher": { "name": null, "domain": "transportxtra.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-8b24fb1873977478", "clm-062545f088271f22" ], "temporal": { "publishedAt": "2022-02-04", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Trade-press report of the government's agreement to pause the zone; the open part of the article says the zone had been scheduled to launch on 30 May (2022) and that the local authorities sought a review including the availability of cleaner vehicles.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-9961751fb60a9084", "title": "The Manchester Mill — After over a year in limbo, is the Clean Air Zone coming back? (11 Dec 2023)", "url": "https://manchestermill.co.uk/after-over-a-year-in-limbo-is-the/", "publisher": { "name": null, "domain": "manchestermill.co.uk", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-17f9c5dd174ede95" ], "temporal": { "publishedAt": "2023-12-11", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-10-16", "dossierCreatedAt": "2026-10-16", "retrievedAt": null, "status": "publication-and-record-dates-recorded" }, "locator": { "type": "descriptive-source-note", "value": "Newsletter briefing: the original plan would have charged non-compliant vehicles up to £60 a day; it was paused in February 2022 after intense public backlash against the charges and the region-wide size of the zone; the then environment secretary had said there was 'little robust evidence' that incentives would work; a mayoral candidate vowed to take down the cameras.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } } ], "coverage": { "claimsTotal": 23, "claimsMapped": 23, "sourcesTotal": 9, "sourcesUsedByClaims": 9, "sourcesWithPublicationDate": 8, "sourcesWithArchive": 0, "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." ] } } ] }