It is a motorway that links London with South Wales
what motorway would you travel from London to leeds
The M3
The main motorway serving Wales is the M4 which runs from London along the South Wales litoral.
london motorway
Depends where in Wales you want to go... Trains can be taken from London to Cardiff in the South, or through Bangor and Holyhead in the North. You could also make an internal flight to Cardiff. Or drive, or take a bus.
The M4 and M48 both link England and Wales. The M48 is the old M4 which existed before the new Severn bridge crossing was built. The M48 leaves the M4 in England and rejoins its in Wales.
It is the M25 motorway.
The M25 motorway.
The A11 isn't a motorway, it's just an ordinary road and runs between London and Norwich. The M11 motorway runs between London and Cambridge.
A1
The M4 motorway.