M25 Bignell’s Corner - Potters Bar

Name
Bignell’s Corner Potters Bar
Opened
Current route
Start point
Junction number at start: 23
Bignell’s Corner
End point
Junction number at end: 24
Potters Bar
Original route

This section had been open as A1178 since approximately 1976.

Road scheme and chronology data is courtesy SABRE (where much of it was gathered by member Ross Spur), with additional data from the UK Motorway Archive, the Scottish Roads Archive and the Northern Ireland Roads Site.

In this section

What's new

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.

All change

In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?

Share this page

Have you seen...

From War to Worboys

The tale of how British traffic signing developed between the Second World War and the mid-1960s, bringing us from a system designed at the turn of the century to the signs we still use today.