Route
Junction number
3
Markerpost
14.0 km
Name
Swanley Interchange
Terminus
Not a terminus
Other routes
M20, A20, B2173
Authority
Restricted turns
Full access
Services
No services
M25 J3 Swanley Interchange
Layout and signage
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
Other events
Variable Speed Limits apply
National Speed Limit begins
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...
M1 under construction
Pictures taken as the first section of the M1 was being built in 1958-9, with all its unique architecture still under construction.
About this page
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