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Overview of Glasgow's LEZ

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We need to reduce levels of harmful vehicle emissions in our city centre. These can cause health problems, particularly for those most vulnerable.

That's why on 1 June 2023, Glasgow's Low Emission Zone (LEZ) came into force.

Unless exempt, all vehicles entering the city centre zone area must meet the less-polluting emission standards or face a penalty charge.

Motorcycles and mopeds are unaffected.

Full details can be found on our LEZ Key Information page.

Quick Links:

Why Glasgow Needs a Low Emission Zone

Although we've made good progress in recent years to improve Glasgow's air quality, harmful nitrogen dioxide is being recorded in our city centre at levels that do not meet the legal requirements.

As the main source of this harmful pollutant is from road traffic, Glasgow's Low Emission Zone is an essential measure to improve air quality and help protect public health, especially for those most vulnerable.

Glasgow's LEZ can also help accelerate the uptake of less polluting vehicles, encourage people to move toward sustainable transport and increase the safety, attractiveness, and amenity of our city centre.

LEZ Legislation/Regulations

The Transport (Scotland) Act 2019 provides the legislation to enable the creation and civil enforcement of LEZs.

The Scottish Government has also developed regulations and guidance, relating to a number of key LEZ aspects including emissions, penalties, certain exemptions and parameters for grace periods. The council however has the powers to create, enforce, operate or revoke a Low Emission Zone and to design its shape, size and vehicle scope, based on local requirements.

There are two sets of national regulations for LEZs:

These Regulations were finalised following a consultation which asked questions about key aspects of LEZ regulations and guidance, particularly views on emission standards, exemptions and penalty charges.

The Traffic Signs Amendment (Scotland) Regulations and General Directions 2022 refers to the road signs and markings that indicate a Low Emission Zone.

LEZ Reports/Evidence Base

This area contains the evidence used in developing and designing Glasgow's LEZ.

Glasgow's LEZ - Final Scheme Design as Approved (PDF) [3MB] (opens new window)

Glasgow's LEZ - Preferred Scheme Design (Phase 2) (PDF) [634KB] (opens new window)

LEZ Objections Report (PDF) [153KB] (opens new window)

Glasgow Air Quality Evidence Report - initial report on the LEZ proposals by SEPA (PDF) [5MB] (opens new window)

Glasgow's LEZ - Prepared by SEPA - an interim report from 2020 on phase 1 of the LEZ and lockdown (PDF) [3MB] (opens new window)

Glasgow LEZ Emissions Report - final report from SEPA detailing emissions reductions through the LEZ (PDF) [1MB] (opens new window)

Low Emission Zone - Glasgow Evidence Report by SEPA (final) (PDF) [4MB] (opens new window)

Consideration of Carbon Dioxide emissions within an LEZ scheme: Glasgow - Report by SEPA (PDF) [582KB] (opens new window)

Glasgow City Centre LEZ Testing - Transport modelling report on the LEZ boundary options by Systra (PDF) [2MB] (opens new window)

LEZ Post Covid Uncertainty Summary Note - Note on post covid uncertainty prepared by Jacobs / Systra for Transport Scotland (PDF) [1MB] (opens new window)

Glasgow City Centre LEZ Testing Covid Measures - Report on LEZ transport modelling including preferred boundary options and uncertainty prepared by Systra (PDF) [2MB] (opens new window)

Glasgow LEZ IIA Final Report - Integrated Impact Assessment of the preferred LEZ scheme prepared by Jacobs (PDF) [2MB] (opens new window)

LEZ Data Analysis Tool

Using traffic modelling information provided by SYSTRA, the Scottish Environment Protection Agency (SEPA) has developed an interactive tool to show the predicted changes in both emissions and traffic levels expected under the proposed Phase 2 LEZ measures. The tool allows users to explore these changes on a street by street basis and is available via the link below:

LEZ Data Analysis Tool

SEPA also created a tool demonstrating air quality improvements delivered during the first phase of Glasgow's LEZ (2018-2023).  It shows how pollution has been driven down in some of the busiest bus corridors in the city centre.

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Last modified on 04 June 2024

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