Route
Junction number
25
Markerpost
147.2 km
Name
Waltham Cross Interchange
Terminus
Not a terminus
Other routes
A10
Authority
Restricted turns
Full access
Services
No services
M25 J25 Waltham Cross Interchange
Layout and signage
|
Enfield Hertford A10 |
A10 | 
|
A10 |
Enfield Hertford A10 |
Lane configuration
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
What's new
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It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
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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.
Have you seen...
Pedestrian Crossings
From Zebra to Pelican and beyond: the comprehensive history of the development of the humble pedestrian crossing.
About this page
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Last updated
Published
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