M23 J8 Merstham Interchange

Route

M23 and A23

Junction number

8

Markerpost

30.8

Name

Merstham Interchange

Terminus

Not a terminus

Other routes

M25

Authority

Highways England

Restricted turns

Full access

Services

No services

Layout and signage

Heathrow Airport (M4 Link)
Sutton (A217)
Watford (M1 Link)
Dartford (M11 Link)
Maidstone (M20 Link)
Westerham (A25)
M25 Link
  M25
(M1)
(M4)
(A217)
    M25
(M11)
(M20)
(A25)
  Dartford (M11 Link)
Maidstone (M20 Link)
Westerham (A25)
Heathrow Airport (M4 Link)
Watford (M1 Link)
Reigate (A217)
M25 Link

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanesLanes

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

In this section

What's new

Gifts for road lovers

Keep being asked what you want for Christmas? No problem: here’s our pick of road-related Christmas treats for 2021.

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Share this page

Have you seen...

Above the M8

Go to Glasgow and it's almost inevitable that you'll use the M8. The views of the city surrounding it are really quite unique.