A74(M) J21 Kirkpatrick Fleming Interchange

Layout and signage

Kirtlebridge
Kirkpatrick Fleming
B7076
Canonbie
B6357
  B7076

B6357
    B6357

B7076
  Canonbie
B6357
Kirtlebridge
Kirkpatrick Fleming
B7076

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

In this section

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The forever bottleneck, part 1

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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