M25 J21 Chiswell Interchange

Layout and signage

The NORTH
Luton & Airport
M1 Link
  M1     M1   The NORTH
Luton & Airport
M1 Link

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

Other events

  • Signs Variable Speed Limits apply
  • Signs Variable Speed Limits apply

In this section

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Sorry, wrong number

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A Piece of History

The lowly and pathetic A6144(M) motorway was downgraded in May 2006. This is the story of the mission to rescue some memorabilia.

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