Route
Junction number
20
Markerpost
186.5
Name
Almondsbury Interchange
Type
Terminus
Not a terminus
Other routes
M5
Authority
Restricted turns
Full access
Services
No services
M4 J20 Almondsbury Interchange
Layout and signage
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Then further along:
- Lane 1 is gained from the entry sliproad (part time using the hard shoulder).
- Lane 2 is gained from the entry sliproad.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and does not return (part time using the hard shoulder).
- Lane 2 exits and does not return.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
Variable Speed Limits apply
National Speed Limit begins
What's new
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.
All change
In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?
Have you seen...
Three Generations of the A82
Three roads were built in the space of 200 years, all trying to tame Rannoch Moor and Glen Coe. This is the impressive tale of one of Scotland's most memorable routes.
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