| Route | City/town |
|---|
| M1 between London and Leeds | |
| M2 between Gillingham and Faversham | |
| M3 between Richmond upon Thames and Southampton | |
| M4 between London and Swansea | |
| M5 between Birmingham and Exeter | |
| M6 between Coventry and Carlisle | |
| M8 between Edinburgh and Glasgow | |
| M9 between Edinburgh and Stirling | |
| M11 between London and Cambridge | |
| M18 between Sheffield and Goole | |
| M20 between London and Folkestone | |
| M25 between the M40 and M26 anti-clockwise | |
| M25 between the M26 and M40 clockwise | |
| M32 between Pye Corner and Bristol | |
| M40 between London and Solihull | |
| M42 between the M5 and A42 | |
| M48 between the M4 J21 and J23 | |
| M50 between the M5 J8 and Ross-on-Wye | |
| M53 between Wallasey and Chester | |
| M54 between Walsall and Telford | |
| M55 between Preston and Blackpool | |
U.S. States 
Countries of Africa 
Countries of Asia
