Route
Junction number
None
Markerpost
157.3 km
Name
Bell Common Tunnel
Type
Tunnel
Terminus
Not a terminus
Other routes
None
Authority
Restricted turns
Full access
Services
No services
M25 Bell Common Tunnel
Layout and signage
| Bell Common Tunnel | 
|
Bell Common Tunnel |
What's new
The forever bottleneck, part 2
The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.
The forever bottleneck, part 1
The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.
Hello, here's my ridiculous side project
An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.
Have you seen...
Smart Motorways
Motorways used to be really simple. Now they have electronic signals, variable speed limits, emergency lay-bys, part-time hard shoulders... Just what is so smart about Smart Motorways?
About this page
Published
Last updated
Published
Last updated
