Route
Junction number
18
Markerpost
112.6 km
Name
Chorleywood Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A404
Authority
Restricted turns
Full access
Services
No services
M25 J18 Chorleywood Interchange
Layout and signage
|
Rickmansworth Chorleywood Amersham A404 |
A404 | 
|
A404 |
Chorleywood Amersham A404 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 continues, with option to exit.
- 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
Farewell GLC lights
Why am I all nostalgic about some street lights being replaced?
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.
Have you seen...
Low Emission Zone
A first step towards emissions-based road pricing, a pointless measure to enforce something that's happening anyway, or another leap forward in traffic planning from the people who created the Congestion Charge? It's hard to say.
About this page
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