M3 J2 Thorpe Interchange

Layout and signage

Gatwick Airport (M23 Link)
Heathrow Airport (M4 Link)
The NORTH (M1 Link)
Dartford & (M20 Link)
Chertsey (A320)
Staines (A30)
M25 Link
  M25
(M1)
(M4)
(A30)
    M25
(M20)
(M23)
(A320)
  Gatwick Airport (M23 Link)
Heathrow Airport (M4 Link)
Chertsey (A320)
Staines (A30)
M25 Link

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return (part time using the hard shoulder).
  • Lane 2 exits and returns after the junction.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad (part time using the hard shoulder).
  • Lane 2 is gained from the entry sliproad.
  • Lane 3 exits and returns after the junction.
  • Lane 4 continues ahead.
  • Lane 5 terminates.

Other events

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