A329(M) (M4 J10) Winnersh Interchange

Layout and signage

The WEST
Reading (S & W)
Newbury
M4 Link
London
Slough
Heathrow Airport
M4 Link
  M4     M4   London
Slough
Heathrow Airport
M4 Link
The WEST
Reading (S & W)
Newbury
M4 Link

Lane configuration

LanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.

LanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.

In this section

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.

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M1 under construction

Pictures taken as the first section of the M1 was being built in 1958-9, with all its unique architecture still under construction.

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