When the new Filton By-Pass (now part of the M5 motorway) was opened in 1962, the route became an arterial road linking the new road to the centre of Bristol. The east-west route (B4057) is now of only local importance, but in the 1930s it carried A38 traffic by-passing Bristol.
The opening of the Filton Bypass in 1962 connected the new road to the center of Bristol. The east-west route (B4057) was once a major artery, but now serves only local needs. In the 1930s, it carried A38 traffic avoiding Bristol.