M48 (M4 J23) Rogiet Interchange

Layout and signage

N/A   M4



    M4



  Casnewydd
Newport
Caerdydd
Cardiff
M4 Link

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 continues ahead.

LanesLanesLanesLanesLanesLanesLanes

  • Lane 1 terminates.
  • Lane 2 terminates.
  • Lane 3 is gained from the entry sliproad.
  • Lane 4 is gained from the entry sliproad.
  • Lane 5 is gained from the entry sliproad.

In this section

What's new

Oxford's Ground Zero

Oxford's Zero Emission Zone is just a trial, but transport policy in Oxford has become the catalyst for pitched battles and drawn in protestors from across the UK. What's happening to this genteel university town?

2023 end of year message

It’s been a quiet year for Roads.org.uk, but we will be back to our usual schedule soon.

London’s other forgotten motorways

We’ve spent years documenting the unbuilt urban motorway network planned for London. Today we’re unveiling more new routes that have never been seen before!

Share this page

Have you seen...

West Cross Route

Desperately-needed but never built, this was one of the only London urban motorway plans that were ever progressed to the construction stage.

About this page

Published

Last updated