The tunnel is now able to handle and synchronise with the expanded seven-lane motorway.
The A20 runs almost parallel with the motorway, and the A28 allows access to Canterbury and Tenterden.
The services opened with the motorway in 1966.
There are proposals to widen this road to connect the Caversham bypass with the motorway to the south.
Opened concurrently with the new motorway on 2 November 1959, it was the first such service station in the UK.
M.31 we call it, just to confuse it with the motorway.
After meeting the M69 motorway at a roundabout, with the motorway passing above, the A5 runs through Hinckley.
Tiverton Parkway railway station is situated close to the junction with the motorway in order to give easy rail connections for people driving from north Devon.
The section south of Northampton was down-classified when the M1 was built as it runs parallel with the motorway and is an unsuitable alternative:
No exit, in fact, would link with the motorway until Kreuzlingen.