Leeds Clean Air Zone - Compliance Modelling 2021
type: Dataset
description: Dataset concerning the Traffic and Air Quality modelling undertaken by LCC taken to support implementing the Clean Air Zone, and the subsequent review in 2020 that led to the decision to cancel the Clean Air Zone.
landing page: https://datamillnorth.org/dataset/leeds-clean-air-zone-compliance-modelling-2021-2rxgd
keyword: Air Quality
keyword: CAZ
keyword: Clean Air Zone
keyword: Nitrogen dioxide
keyword: Travel and Transport
issued: 2021-02-09T16:02:28.733000+00:00
modified: 2021-02-17T11:46:12.610000+00:00
publisher: Leeds City Council

Leeds Clean Air Zone Modelling Report Feb 2021
type: Distribution
issued: 2026-08-26T09:56:50.269226
modified: 2026-08-26T09:56:50.256063

Appendix 1 - Emission and Concentration Methodology Report for FBC 20181122
type: Distribution
issued: 2026-08-26T09:56:50.269228
modified: 2026-08-26T09:56:50.256124

Appendix 2 - Technical Summary of Transport Modelling
type: Distribution
issued: 2026-08-26T09:56:50.269228
modified: 2026-08-26T09:56:50.256168

Appendix 3 - App a to j Transport Modelling.zip
type: Distribution
issued: 2026-08-26T09:56:50.269229
modified: 2026-08-26T09:56:50.256208

Appendix 4 - Diversion Report - LCC CAZ 2021
type: Distribution
issued: 2026-08-26T09:56:50.269230
modified: 2026-08-26T09:56:50.256245

Appendix 5 - AQ Tech Note - LCC CAZ 2021
type: Distribution
issued: 2026-08-26T09:56:50.269230
modified: 2026-08-26T09:56:50.256283

Appendix 6 - Highway Modelling - LCC CAZ 2021
type: Distribution
issued: 2026-08-26T09:56:50.269231
modified: 2026-08-26T09:56:50.256319

Appendix 7 Clean Air Zone modelling data 2018
type: Distribution
description: Scenario List 2018 Results from the modelling work conducted for the original CAZ Business Case as submitted in 2018. 2015 Base year used for validation 2020 Do nothing scenario 2022 Do nothing scenario 2020 CAZ-B+ CAZ-B scenario, with Taxis as hybrid vehicles, boundary as implemented in the charging order. 2022 CAZ-B+ CAZ-B scenario for 2022, with Taxis as hybrid vehicles, boundary as implemented in the charging order.
issued: 2026-08-26T09:56:50.269232
modified: 2026-08-26T09:56:50.256356

Appendix 7 Clean Air Zone modelling data 2020
type: Distribution
description: 2020 Updated results and sensitivity testing to support October 2020 decision. DM20 ANPR Do Min 2020 scenario (DM20), using updated fleet data from Jan 2020 survey (ANPR) DM21 ANPR New 2021 scenario without contraflow (DM21), using updated fleet data from Jan 2020 survey (ANPR) DM21 A ANPR 2021 scenario contraflow phase 1 (DM21 A), with updated fleet data (ANPR) DM21 B ANPR 2021 scenario contraflow phase 2 (DM21 B), with updated fleet data (ANPR) DM21 A ANPR 105% 2021 scenario contraflow phase 1 with updated fleet data (DM21 A), with updated fleet data (ANPR), with additional 5% growth added onto TEMPRO flows (105%) DM21 B ANPR 105% 2021 scenario contraflow phase 2 with updated fleet data (DM21 B), with updated fleet data (ANPR), with additional 5% growth added onto TEMPRO flows (105%) DM20 ANPR Bus50% Do Min 2020 scenario (DM20), using updated fleet data from Jan 2020 survey (ANPR), Bus compliance rolled back to minimum 50% Euro VI, 50% Euro V (Bus50%) DM20 ANPR Bus70% Do Min 2020 scenario (DM20), using updated fleet data from Jan 2020 survey (ANPR), Bus compliance rolled back to minimum 70% Euro VI, 30% Euro V (Bus70%)
issued: 2026-08-26T09:56:50.269233
modified: 2026-08-26T09:56:50.256393