Route
Junction number
5
Markerpost
31 km
Name
Langley Interchange
Terminus
Not a terminus
Other routes
A4, B470
Authority
Restricted turns
Full access
Services
No services
M4 J5 Langley Interchange
Layout and signage
|
Langley Colnbrook A4 Datchet Eton B470 |
A4 | 
|
A4 (A3044) B470 |
Langley Colnbrook A4 Datchet B470 |
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
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...
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
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