Outlines research into the effects of 20mph speed limits on road safety, active travel and air pollution.
Documents
![](/sites/default/files/styles/file_thumb/public/publication-doc-thumbnails/The_state_of_the_evidence_on_20mph_speed_limits_with_regards_to_road_safety__active_travel_and_air_pollution_impacts__August_2018.jpg?itok=vD9n5Np9)
The state of the evidence on 20mph speed limits with regards to road safety, active travel and air pollution impacts: August 2018 , file type: PDF, file size: 1 MB
PDF
1 MB
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.