North Fringe of Bristol to the east of this area and the M32, for instance at Emersons Green, are sometimes referred to as the East Fringe of Bristol. In October 2016, the MetroBus released plans to improve bus journey times to the area, with a route from Cribbs Causeway to Hengrove Park in south Bristol. North Fringe of Bristol The North Fringe of Bristol, England is a mostly developed area between the northern edge of the administrative city of Bristol and the M4 and M5 motorways. Its eastern edge is usually defined as the M32 motorway. The area falls within South Gloucestershire Council, and
M4 relief road and narrows to a restricted two-lane section through the Brynglas Tunnels, where heavy congestion occurs at peak hours. A variable speed limit is in place between junctions 24 and 28. M4 sliproads at Junction 25 (Caerleon Road) are diverted to reduce traffic through the tunnels. M4 Westbound traffic joining at Junction 25 is diverted via Junction 25A/A4042 (Heidenheim Drive)/A4051 (Malpas Road) to Junction 26. Similarly eastbound traffic wishing to exit at Junction 25 is diverted from Junction 26 via the A4051/A4042/Junction 25A. This adds to congestion on Malpas Road and other local roads near Newport city centre at peak times.