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Winnersh Interchange

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Winnersh Interchange
Location Map ( geo)
A329(M) Bracknall - Coppermine - 6877.JPG
Cameraicon.png View gallery (6)
Location
Winnersh
County
Berkshire
Highway Authority
National Highways
Junction Type
Partially Unrolled Cloverleaf
Roads Joined
M4, A329(M)
Junctions related to the A329(M)

Winnersh Interchange is junction 10 of the M4. It is a partially unrolled cloverleaf interchange where the M4 meets the A329(M). It is one of just three of this type of interchange in the UK, the others being Denham and Croft Interchanges.

This junction was built in preparation for the M31, a proposed link motorway between the M3 and M4 that would have incorporated the A329(M). This explains why the junction is so complex, as it was intended for the large traffic volume of the M31, rather than the much more minor A329(M).

Routes

Route To Notes

M4

SOUTH WALES, Newbury, Reading (Cen.,S&W)

M4

London, Maidenhead

A329(M)

Reading (E)

A329(M)

Wokingham, Bracknell

M31

Reading

M31

Wokingham, Bracknell, Woking, (M25 East)




Winnersh Interchange
Related Pictures
View gallery (6)
A329M-M4 motorway junction - Geograph - 58287.jpgA329(M) Reading - Coppermine - 6854.JPGA329(M) Bracknall - Coppermine - 6877.JPGThe massive junc with the M4 - Coppermine - 13544.JPG- Coppermine - 4918.jpg
Other nearby junctions
Reading
Junctions on the M4
Main RouteChiswick • 2 Brentford • 3 Cranford Parkway • 4 Heathrow • 4B Thorney • 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 Quintin • 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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