Route
Junction number
M4 J8/9
Markerpost
45.2 km
Name
Holyport Interchange
Terminus
Terminus at end of exit list
Other routes
M4, A308(M)
Authority
Restricted turns
Full access
Services
No services
A404(M) (M4 J8/9) Holyport Interchange
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...
Junction Three
The M621 has one junction where everything leaves the motorway and heads for the city, and a very bizarre junction it is too.
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