Chronology Maps
Click a section name to see full details and a map.
| Completed | Route | Name | Start | End | Original number |
|---|---|---|---|---|---|
| M25 | Swanley - Chevening | J3 Swanley | J5 Chevening | ||
| B6601 | Carnforth Link | Kellet Road | M6 J35 Carnforth | A601(M) | |
| M42 | Lickey End - Portway | J1 Lickey End | J3 Portway | ||
| M42 | Tamworth - Appleby Magna | J10 Tamworth | J11 Appleby Magna | ||
| M25 | Chandlers Cross - Bricket Wood | J19 Chandlers Cross | J21A Bricket Wood | ||
| M74 | Canderwater - Poniel | Canderwater | J11 Happendon | ||
| M25 | Bricket Wood - Bignell’s Corner | J21A Bricket Wood | J23 Bignell’s Corner | ||
| A1(M) | Hatfield Bypass | J2 Roestock | J4 Stanborough |
What's new
Where did the M25 come from?
London’s notorious orbital motorway turns 40 years old today. Where did it come from - and why the number “25”?
The long way round
When a road is closed, why isn't the diversion route just the quickest way past the closure?
Signs and sensibility
The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.
Have you seen...
Glasgow
Even in the 1960s heyday of roadbuilding, some people said you could never build your way out of congestion. Glasgow had plans to prove them wrong.
