|From:||King's Road (SU729732)|
|To:||Bath Road (SU699727)|
|Distance:||2 miles (3.2 km)|
|Met (1923):||A329, A4, B3031, A32, A4|
|Now part of:||A4|
|Route outline (key)|
In 1947, it was renumbered as the A4 since that was the route most traffic took.