Chronology Maps
Click a section name to see full details and a map.
| Completed | Route | Name | Start | End | Original number | Other numbers |
|---|---|---|---|---|---|---|
| M4 | Maidenhead Bypass | J7 Huntercombe | J8/9 Holyport | |||
| A404(M) | Maidenhead Bypass | M4 J8/9 Holyport | J9B The Thicket | M4 | A423(M) | |
| A1(M) | Doncaster Bypass | J34 Blyth | J38 Red House |
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...
Ringways
The story of an incredible plan to reshape London into a city of motorways, with the history from creation to cancellation and details on every unbuilt road.
