Skip to main content

Copies of the data on traffic flows, and accident rates, on the M4 through Newport since the introduction of the variable speed limits.

First published:
30 September 2019
Last updated:


M4 traffic flow , file type: PDF, file size: 407 KB

407 KB
If you need a more accessible version of this document please email Please tell us the format you need. If you use assistive technology please tell us what this is.