A3(M) J4 Purbrook Interchange

Route

A3 and A3(M)

Junction number

4

Markerpost

2.3

Name

Purbrook Interchange

Type

Dumbbell

Terminus

Not a terminus

Other routes

None

Authority

National Highways

Restricted turns

Some turns restricted

Services

No services

Layout and signage

Widley
Havant
       

Lane configuration

LanesLanesLanesLanesLanes

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

LanesLanesLanesLanesLanes

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

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About this page

Published22 April 2017

Last updated14 May 2022