M1 J13 Ridgmont Interchange

Layout and signage

Milton Keynes (S)
Bedford
A421 Link
Ampthill
A507
  A421


   

A421



A507
  Bedford
A421 Link
Woburn
Ampthill
A507

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return (part time using the hard shoulder).
  • Lane 2 continues, with option to exit.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad (part time using the hard shoulder).
  • Lane 2 continues, with option to exit.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

Other events

  • Signs National Speed Limit begins
  • Signs Variable Speed Limits apply