Drivers are facing months of delays on the M4 and the M5 while work is done upgrading a a six-mile section of the motorway. Work has started on the the M4 between junction 19 for Bristol and where it meets the M5 and on the M5 to junction 17 at Cribbs Causeway and will run until the winter.
National Highways says the work will improve safety and includes:
Upgrading a four-mile section of existing steel barrier to concrete in the central reservation of the M4 around Almondsbury interchange
Building three new emergency areas on the M5
Upgrading traffic signs to provide better information for drivers
Drainage work
Renewing lighting
Additional CCTV cameras
