M25 J12 Thorpe Interchange

Route

M25 and A282

Junction number

12

Markerpost

83.5

Name

Thorpe Interchange

Type

Whirlpool

Terminus

Not a terminus

Other routes

M3

Authority

National Highways

Restricted turns

Full access

Services

No services

Layout and signage

Basingstoke
Southampton
Richmond
M3 Link
  M3     M3   Basingstoke
Southampton
Richmond
M3 Link

Lane configuration

LanesLanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 exits and returns after the junction.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.
  • Lane 5 continues ahead.

LanesLanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 exits and returns after the junction.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.
  • Lane 5 continues ahead.

Other events

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

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About this page

Published22 April 2017

Last updated1 May 2022