Route
Junction number
M25 J5
Markerpost
26.4 km
Name
Chevening Interchange
Type
Non-standard interchange
Terminus
Terminus at top of exit list
Other routes
M25, M26
Authority
Restricted turns
Some turns restricted
Services
No services
A21 (M25 J5) Chevening Interchange
Layout and signage
(M23 
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
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?
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...
Queensway Tunnel
The engineering marvel of its day, much altered and maligned ever since: this is the original Mersey Tunnel in all its glory.
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