Route
Junction number
M25 J20
Markerpost
Unknown
Name
Kings Langley Interchange
Terminus
Terminus at end of exit list
Other routes
M25, A4251
Authority
Restricted turns
Full access
Services
No services
A41 (M25 J20) Kings Langley Interchange
Layout and signage
Lane configuration
- Lane 1 continues ahead.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues, with option to exit.
Other events
Traffic signals
What's new
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
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?
Have you seen...
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