Junction number
None
Markerpost
Unknown
Name
Unknown
Other routes
None
M275 Princess Royal Way Junction
Layout and signage
| N/A | 
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HM Naval Base Flathouse Quay Portsmouth (W) A3 Isle of Wight Ferries 
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Lane configuration
- Lane 1 exits and does not return.
- Lane 2 exits and does not return.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 is gained from the entry sliproad.
- Lane 3 continues ahead.
- Lane 4 continues, with option to exit.
Other events
Traffic signals
Start of motorway regulations
50mph speed limit begins
End of motorway regulations
40mph 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...
Exhibition Road
The UK's biggest "shared space" is a phenomenally expensive experiment in West London. How does it work?
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