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Heathrow Interchange

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Heathrow Interchange
Location Map ( geo)
Traffic Jam at J4 on the M4 - Geograph - 954561.jpg
A taffic jam just before the junction.
Cameraicon.png View gallery (5)
Location
Heathrow Airport
County
Middlesex
Highway Authority
Highways England
Junction Type
Roundabout Interchange
Roads Joined
M4, M4 Airport Spur

Heathrow Interchange (also known as Sipson Interchage) is junction 4 of the M4.

The roundabout under the M4 mainline is under motorway regulations. In the late 1990s proposals existed for a direct link to the M4 southbound spur in order to relieve traffic congestion at the junction.


Routes

Route To Notes

M4

The WEST, Gatwick Airport, Heathrow Airport (Terminal 5)

M4

Central London, Hammersmith, Hayes, Heathrow Airport (Terminal 4 & Cargo)

Heathrow
Airport
Spur

Uxbridge (A408) spur to Cherry Lane Roundabout

Heathrow
Airport
Spur

Heathrow Airport (Terminals 1, 2 & 3) spur to Concord Roundabout (junction 4A)


Links



Heathrow Interchange
Related Pictures
View gallery (5)
M4 Heathrow Spur - Coppermine - 5111.jpgTraffic Jam at J4 on the M4 - Geograph - 954561.jpgLow Emission Zone - Coppermine - 17012.jpg21. Lane gain at M4 Junction 4 - Coppermine - 1871.JPGM4J4 1990s AZ.png
Other nearby junctions
Heathrow Airport
Junctions on the M4
Main RouteChiswick • 2 Brentford • 3 Cranford Parkway • 4 Heathrow • 4B Colnbrook • 5 Langley • 6 Tuns Lane • 7 Huntercombe • 8/9 Holyport • 10 Winnersh • 11 Three Mile Cross • 12 Theale • 13 Chieveley • 14 Wickham • 15 Plough Hill • 16 Spittleborough • 17 Stanton St Quinton • 18 Tormarton • 19 Hambrook • 20 Almondsbury • 21 Awkley • 22 Pilning • 23 Rogiet • 23A Magor • 24 Coldra • 25 Caerleon • 25A Grove Park • 26 Malpas • 27 High Cross • 28 Tredegar Park • 29 Castleton • 30 Pentwyn • 31 Junction 31 • 32 Coryton • 33 Cardiff West • 34 Miskin • 35 Pencoed • 36 Sarn • 37 Pyle • 38 Margam • 39 Groes • 40 Taibach • 41 Pentyla • 42 Earlswood • 43 Llandarcy • 44 Lon-Las • 45 Ynysforgan • 46 Llangyfelach • 47 Penllergaer • 48 Hendy • 49 Pont Abraham
Heathrow SpurCherry Lane • 4 Heathrow • 4A Concord
Former RoutesBray • 9A Cox Green • 9B The Thicket // 19 Hambrook • 19A Frenchay // 20 Almondsbury • 21 Aust • 22 Newhouse • 23 Magor // 28  Tredegar Park • 29 St Mellons
Defunct Newport
Bypass Proposal
23 Rogiet • 25 Glan Llyn • 27 Dock Way • 29 Castleton


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