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Route M48 Name Add this »
Junction number M4 J23 Type Fork
Markerpost Add this » Terminal Terminal junction at Westward end of M48
Other routes here M4 Managed by Transport Wales
Restricted Yes Services None

 

Signage Eastbound Junction layout Signage Westbound
N/A M4 Junction diagram M4 Newport
Cardiff
M4 Link
Lanes Eastbound Lanes Westbound
LanesLanesLanesLanes LanesLanesLanesLanesLanesLanesLanes
  • Lane 1 continues ahead.
  • Lane 2 continues ahead.
  • Lane 5 is gained from the entry sliproad.
  • Lane 4 is gained from the entry sliproad.
  • Lane 3 is gained from the entry sliproad.
  • Lane 2 terminates.
  • Lane 1 terminates.

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