Route
Junction number
20
Markerpost
186.5 km
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
The Ringways Map is here
The wait is over! The full map of the Ringways, London’s unbuilt urban motorway network, is now online. Not even the system's planners had anything like this.
Red, white and blue
Kent County Council is run by eurosceptic nationalists. So why are they putting EU flags on their road signs?
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
Have you seen...
Thelwall Viaduct
Thousands of vehicles travel the M6 between the M56 and M62 each day. They all cross the River Mersey and the Manchester Ship Canal, and the bridge that carries them is notorious from travel reports nationwide. But what does it actually look like from the ground?
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