Route
Junction number
17
Markerpost
110.5
Name
Maple Cross Interchange
Terminus
Not a terminus
Other routes
None
Authority
Highways England
Restricted turns
Full access
Services
No services
M25 J17 Maple Cross Interchange
Layout and signage
|
Maple Cross (A412) |
(A412) |   |
Maple Cross Rickmansworth (A412) |
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
Go west! New Ringways pages are here
A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.
No smoke without ire
London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?
Devon help us
Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?
Have you seen...
Preston Bypass
The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.