M4 J24 Coldra Interchange

Layout and signage

CANOLBARTH LLOEGR
The MIDLANDS
Trefynwy — Monmouth
A449 (M50) Link
Casnewydd — Newport
A48
  A48

A449
    A48

B4237
  Casnewydd (Dn)
Newport (E)
A48
Trefynwy — Monmouth
A449 Link

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

Other events

  • Signs National Speed Limit begins
  • Signs 50mph speed limit begins

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