Route
Junction number
M4 J15
Markerpost
0.0 km
Name
Plough Hill Interchange
Terminus
Terminus at end of exit list
Other routes
M4
Authority
Restricted turns
Full access
Services
No services
A419 (M4 J15) Plough Hill 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...
Reigate Tunnel
An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.
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