Merstham Interchange

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Merstham Interchange
Location Map
Merstham Interchange at Night.jpg
The Junction at night.
Cameraicon.png View gallery (21)
Location
Merstham, Surrey
County
Surrey
Highway Authority
Highways England
Junction Type
Four Level Stack
Roads Joined
M23, M25

The Merstham Interchange is the junction between the M25 (for which it is junction 7), and the M23 (for which it is junction 8). It is one of three four-level stacks in the country.

Due to the failed portions of the ringway plans, this junction is only a mile south of the 'temporary' terminus of the M23, the Hooley Interchange. Consequently, very little traffic heads north from here.

Routes

Route To Notes

M23

London, Croydon

M23

Brighton, Crawley, Gatwick Airport

M25

Heathrow Airport (M4), Watford & (M1), Reigate, Sutton (A217)

M25

Dartford & M11, Maidstone (M20), Dartford Crossing, Westerham A25

Strip Maps

Grid References



Merstham Interchange
Related Pictures
View gallery (21)
Heading south Approaching J8 for the M25 - Coppermine - 4957.jpgM23 - M25 junction - Coppermine - 18120.jpgM25-M23 - Coppermine - 14047.jpgMerstham Interchange stack.jpgSign for M23-M25 junction - Coppermine - 3720.jpg
Junctions on the M25 and related routes
M25 & A2821A Littlebrook • 1B Princes Road • 2 Darenth • 3 Swanley • 4 Hewitts Roundabout • 5 Chevening/Chipstead • 6 Godstone • 7 Merstham • 8 Reigate Hill • 9 Leatherhead • 10 Wisley • 11 Addlestone • 12 Thorpe • 13 Runnymede • 14 Poyle/Terminal 5 Roundabout • 15 Colnbrook • 16 Denham • HS2 Works • 17 Maple Cross • 18 Chorleywood • 19 Chandlers Cross/Hunton Bridge • 20 Kings Langley • 21 Chiswell • 21A Bricket Wood • 22 The Bell • 23 Bignell's Corner • 24 Potters Bar • 25 Waltham Cross • 26 Waltham Abbey • 27 Theydon Bois • 28 Brook Street • 29 Cranham • Ockendon • 30 Mar Dyke • 31 Purfleet
M26Chevening • Otford • 2A Wrotham Heath • 3 Addington
M16 'Ringway 3'Sunbury Cross • Yeading Lane • Oxhey Lane • Bushey • Bignell's Corner • Potters Bar • Waltham Cross • Waltham Abbey • Epping • Theydon Bois • Navestock • Brentwood • Brook Street • Cranham • Mar Dyke • Purfleet • Littlebrook • Princes Road • Darenth • Swanley
'Ringway 4'Addington • Wrotham Heath • Otford • Chevening • Westerham • Godstone • Merstham • Reigate Hill • Leatherhead • Wisley • Addlestone • Thorpe • Runnymede • Poyle • Colnbrook • Iver Heath • Denham • Maple Cross • Chorleywood • Sarratt • Hunton Bridge • Hoddesdon • Navestock
Junctions on the M23 and A23
A23 LondonKennington Oval • Streatham One-Way System • Thornton Heath Pond • Lombard Roundabout • Fiveways Corner • Purley Cross • Brighton Road Roundabout • Hooley
M23Unbuilt: 2 Streatham Vale • 3 Mitcham • 4 Beddington • 5 Wallington • 6 Woodmansterne   Built: 7 Hooley • 8 Merstham • 9 Gatwick • 10 Crawley • 10A Balcombe Road • 11 Pease Pottage
A23 SussexPease Pottage • Handcross • Slaugham • Warninglid • Bolney Park Farm • Bolney • Hickstead • Dale Hill • Pyecombe • Patcham • Mill Road Roundabout
Airport WayAirport Way Roundabout West • Airport Way Roundabout East • Gatwick Interchange
non primary A23Hooley • Lombard Roundabout • The Stations Roundabout • Belfry Roundabout • Longbridge Roundabout • Airport Way Roundabout West • Tushmore Gyratory • Cheals Roundabout • Southgate Roundabout  • Pease Pottage