Route
Junction number
M4 J8/9
Markerpost
45.2 km
Name
Holyport Interchange
Terminus
Terminus at end of exit list
Other routes
M4, A408(M)
Authority
Restricted turns
Full access
Services
No services
A308(M) (M4 J8/9) Holyport Interchange
Traffic signalsWhat's new
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
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?
Have you seen...
B7076 and B7078
What sound at first like a pair of forgotten country lanes turn out to have had a major part to play in the history of Scotland's roads.
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