Runnymede Interchange

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Runnymede Interchange
Location Map ( geo)
River Thames; M25 & A30 road bridge.jpg
Runnymede Viaduct that the interchange crosses the Thames.
Cameraicon.png View gallery (3)
Location
Egham, Surrey / Hythe End, Buckinghamshire
County
Buckinghamshire • Middlesex • Surrey
Highway Authority
Highways England • Surrey
Junction Type
Unique
Roads Joined
M25, A30, A308, B376, B388
Junctions related to the A308

The Runnymede Interchange is at the point the M25 crosses the River Thames (the crossing of the London Orbital on the east side, at Dartford, is on the A282). The A30 Staines bypass also crosses the River Thames here.

The interchange has two parts: the southern roundabout is called Runnymede Roundabout, while the northern roundabout interchange is unnamed, but forms junction 13 of the M25.

The junction is the northern/western access to Thorpe Park from the M25, with traffic directed via the A308 and A320 to Chertsey.

History

1994 proposals

The interchange first opened in 1961 when the A30 crossed the Thames on the original interchange. In 1983, a new bridge opened for the anti-clockwise M25 and the A30 slips therefore the original bridge is now used for the Clockwise M25 and eastbound A30. The B376 & B388 also have spurs linking the interchange for local traffic.

Proposals to widen the M25 in 1994 by means of adding C/D roads would have altered the junction. All movements between the north and south roundabouts would be to the east of the M25. The northern roundabout would be widened on its eastern side to accommodate the extra arm. This scheme was abandoned a few years later in favour of conventional widening so no alterations were made to the junction.

Strip Maps

Routes

Route To Notes

M25

(M4, M40, M1), Heathrow Airport, Watford

M25

(M3, M23, M20), Southampton, Gatwick Airport, Dartford

A30

London (W), Hounslow, Staines, Kingston upon Thames (A308)

A30

Basingstoke, Camberley, Royal Holloway University of London, Savill Garden, Sunningdale, Bagshot

A308

Windsor, Runneymede Memorials, Legoland

A308

Chertsey (A320)

B376

Wraysbury

B388

Egham Town Centre, Shopping Centre, Parking 500 spaces no road number shown



Runnymede Interchange
Related Pictures
View gallery (3)
River Thames; M25 & A30 road bridge.jpgRunnymede Interchange 1994 proposal.pngRainbow Behind Traffic Light Forest
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 A30
London -
Exeter
Henlys Roundabout • Hatton Cross • Terminal 4 Roundabout • Clockhouse Roundabout • The Bull Dog • Crooked Billet • Runnymede Interchange • Runnymede Roundabout • Egham Hill Roundabout • Black Dam Roundabout • Hackwood Road Roundabout • Winchester Road Roundabout • Brighton Hill Roundabout • Kempshott Roundabout • Hatch Warren Roundabout • Dummer • Popham • Bullington Cross • Lopcombe Corner • St Marks Roundabout • Royal Chase Roundabout • Ivy Cross Roundabout • Bellmans Cross • Hospital Roundabout • Horsey Roundabout • Quicksilver Roundabout • Bunfield Hollow Roundabout • Bellmans Cross • Southay Cross • Devonshire House • Cheneys Farm Interchange • Langford Junction • Turks Head Junction • Pattesons Cross Junction • Iron Bridge Junction • Daisymount Junction • Pound Corner • Sowton Interchange
Exeter -
Land's End
Pearce's Hill • Alphington • Fingle Glen • Woodleigh • Whiddon Down • Tongue End • Meldon • Sourton Cross • Stowford Cross • Liftondown • Tavistock Road Junction • Pennygillam • Trebursye • Kennards House • Two Bridges • Plusha • Fivelanes • Cannaframe • Bolventor • Temple Tor • Temple • Preeze Cross • Cardinham Downs • Callywith • Carminow Cross • Innis Downs • Victoria • Highgate Hill • Fraddon • Summercourt • Mitchell • Carland Cross • Boxheater • Chybucca • Chiverton Cross • Scorrier • Avers • Tolvaddon • Treswithian • Loggans Moor • St Erth Roundabout • Newtown Roundabout • Chy-An-Mor • Branwell Lane • Chyandour • Heamoor • Mount Misery