Route
Junction number
8/9
Markerpost
45
Name
Holyport Interchange
Terminus
Not a terminus
Other routes
A308(M), A404(M)
Authority
Restricted turns
Full access
Services
No services
M4 J8/9 Holyport Interchange
Layout and signage
Lane configuration
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
Variable Speed Limits apply
- Variable Speed Limits apply
What's new
A century of motorways
It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.
Schrödinger’s speed limit
In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.
Sorry, wrong number
Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?
Have you seen...
Queensway Tunnel
The engineering marvel of its day, much altered and maligned ever since: this is the original Mersey Tunnel in all its glory.
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