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A4/Slough - London

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A4
Location Map ( geo)
Cameraicon.png View gallery (1)
From:  Slough (SU963802)
To:  Henlys Roundabout (TQ115764)
Distance:  12 miles (19.3 km)
Meets:  A355, B3027, A332, B416, A412, B470, M4, A3044, A408, A437, A312, A30, A3006
Primary Destinations
Highway Authorities

Transport for London • Slough Council

Counties

Buckinghamshire • Middlesex

Route outline (key)
Arrowwest.jpg West Reading - Slough
A4 Slough - Langley Roundabout
A4 Langley Roundabout - Henlys Roundabout
East Arroweast.jpg Great West Road

West | East

Fans of The Office on BBC2 should be able to recognise the roundabout at the centre of Slough. Here the architecture gets pretty bad, with the Brunel Bus Station the worst offender. The A4 is now proper dual, although it only lasts for a couple of miles. As it hits the eastern Slough suburbs, it narrows and wends its way down to junction 5 of the M4 and Heathrow. Even if you are new to the area, you can easily get to Heathrow by following the planes as they descend to land.

Intersecting with the M4, the A4 passes underneath to the area of Colnbrook. You can also admire the huge HQ building of Honda here. The A4 now skirts to the north of Colnbrook (known as the Colnbrook by-pass), with the old stretch becoming B3378, but now unclassified. This stretch is famous for one thing - the Spearmint Rhino lapdancing club. Don't become distracted by the roadside billboard which is there to advertise it!!

The A4 then crosses the M25 (which can induce smug feelings as you see the jams) and down to a huge traffic light junction. You can turn left here to see British Airway's new HQ or turn right to head to Terminals 4 and 5, Staines or indeed the M25. Straight ahead is to Terminals 1,2 & 3.

The A4 continues to an odd not-quite-roundabout at M4 junction 4A, which serves the spur to the M4 and the twin tunnels to and from Heathrow Airport. Then it's the dual-carriageway Bath Road, which after the A30 joins becomes the Great West Road, a monument to a great earlier era of road-building. The draft route of the A4 took the original route out to Bath, but the final list took in the then-unbuilt Great West Road, while the original route became the A3006 and A315.

West | East



A4/Slough - London
Related Pictures
View gallery (1)
28. Junction 5 lane Drop - Coppermine - 1861.JPG
Other nearby roads
Slough
Heathrow Airport
Hounslow
A4 • A30 • A30/Sandbox • A244 • A312 • A314 • A315 • A3004 • A3005 • A3006 • A3063 • B358 • B361 • B362 • B363 • B3377 • E1 (Old System) • Longest Lane • T8 (Britain)
London
NCN1 • NCN20 • NCN21 • A1 • A1(M) • A1/Sandbox • A2 • A2(M) (Kidbrooke - Falconwood) • A3 • A4 • A5 • A10 • A11 • A11(M) • A12 • A13 • A20 • A21 • A23 • A23(M) Provisional Allocation • A24 • A30 • A30/Sandbox • A40 • A41 • A101 • A127 • A216 • A233 • B269 • B519 • Balham Loop • E1 (Old System) • E2 (Old System) • E5 (Old System) • E8 (Old System) • E13 • E15 • E30 • E31 (via Carlisle) • E31 (via Newcastle) • E33 (London - Glasgow) • E105 (London - Fishguard) • E107 (London - Tilbury) • E108 (London - Southend) • East Cross Route • Ermine Street • EuroVelo 2 • EuroVelo 5 • Great North Road • Holyhead Road • London Inner Ring Road • Longest Lane • M1 • M3 • M4 • M11 • M12 (Brentwood - Chelmsford) • M12 (Woodford - Brentwood) • M12 (Woodford - Maplin) • M13 • M14 • M15 • M16 • M20 • M23 • M25 • M30 • M40 • M41 • M100 • NCN13 • NCN4 • Northern and Western Motorway • Orbital Tunnel Route • Ringway 2 • Ringway 3 • Ringway 4 • RM3 • South Cross Route • T1 (Britain) • T2 (Britain) • T3 (Britain) • T4 (Britain) • T5 (Britain) • T6 (Britain) • T8 (Britain) • T9 (Britain) • T10 (Britain) • T11 (Britain) • T12 (Britain) • T31 (Britain) • T32 (Britain) • T33 (Britain) • T34 (Britain) • T35 (Britain) • Watling Street


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