Chronology Maps

1960 1961 1962

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

In this section

What's new

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

Skid Risk, Accident, Fog

For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.

Share this page

Have you seen...

A470 End to End

The road that connects Wales together, but which nobody really uses... All five hours of the A470, from Llandudno to Cardiff, are here.