M12 (NI) J2 Carn Interchange

Layout and signage

N/A   B2






    B2






  Carn
Seagoe
B2
Craigavon Centre
Portadown
Armagh
(A3)

Lane configuration

LanesLanesLanes

  • Lane 1 has option to exit and splits to create a new lane.

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 terminates.

Other events

  • Signs Start of motorway regulations
  • Signs End of motorway regulations

In this section

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The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.

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