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
A century of motorways
It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.
Schrödinger’s speed limit
In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.
Sorry, wrong number
Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?
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.
