A-road fork sign
A green sign with a diagram showing an exit branching off the road ahead and the following text.
Forward destinations: The SOUTH A1(M); (M18, M1) [Motorway symbol] .
Exit destinations: Doncaster; Wakefield A638 Prohibited; traffic .
Junction number: 38.
Junction name: RED HOUSE.
Red House Interchange marks the start of the Doncaster Bypass, which is the oldest length of motorway on the A1. It opened in 1961 and has been changed very little since.