1961.shtml

Route Open Junctions Section
1 M4 May 1961 J7-9 Maidenhead Bypass Opened as A4(M)
2 A1 and A1(M) Jul 1961 J34-38 Doncaster Bypass
3 M20 Sep 1961 J7-8 Maidstone Bypass East Opened as A20(M)