Route
Junction number
15
Markerpost
95.0 km
Name
Thorney Interchange
Type
Terminus
Not a terminus
Other routes
M4
Authority
Restricted turns
Full access
Services
No services
M25 J15 Thorney Interchange
Layout and signage
(T1, 2 & 3)
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 is gained from the entry sliproad.
- Lane 3 exits and returns after the junction.
- Lane 4 continues ahead.
- Lane 5 continues ahead.
- Lane 6 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 exits and does not return.
- Lane 3 exits and returns after the junction.
- Lane 4 continues ahead.
- Lane 5 continues ahead.
- Lane 6 continues ahead.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
What's new
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The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
Have you seen...
The Magic Roundabout
Officially the seventh most frightening thing on the road network - but actually it might just be the most efficient junction ever designed.
About this page
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Last updated
Published
Last updated
