Route
Junction number
21A
Markerpost
123.8 km
Name
Bricket Wood Interchange
Terminus
Not a terminus
Other routes
A405
Authority
Restricted turns
Full access
Services
No services
M25 J21A Bricket Wood Interchange
Layout and signage
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
What's new
The long way round
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Signs and sensibility
The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.
A bridge under troubled bridges
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About this page
Published
Last updated
Published
Last updated
