M4 motorway

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M4 motorway shield

M4 motorway
Route information
Part of
Maintained by
Highways England
South Wales Trunk Road Agent
Length189 mi[1] (304 km)
Existed1963–present
HistoryOpened: 1959 (Chiswick Flyover), 1961 (as A4(M)), 1963, 1966 (as A48(M))
Completed: 1996
Major junctions
East endChiswick
51°29′23″N 0°16′41″W / 51.4897°N 0.2781°W / 51.4897; -0.2781 (M4 motorway (eastern end))
 Junction 4b.svg UK-Motorway-M25.svg
J4b → M25 motorway
Junction 8-9.svg UK-Motorway-A308 (M).svg/UK-Motorway-A404 (M).svg
J8/9 → A308(M) motorway/A404(M) motorway
Junction 10.svg UK-Motorway-A329 (M).svg
J10 → A329(M) motorway
Junction 19.svg UK-Motorway-M32.svg
J19 → M32 motorway
Junction 20.svg UK-Motorway-M5.svg
J20 → M5 motorway
Junction 21.svg UK-Motorway-M48.svg
J21 → M48 motorway
Junction 22.svg UK-Motorway-M49.svg
J22 → M49 motorway
Junction 23.svg UK-Motorway-M48.svg
J23 → M48 motorway
Junction 29.svg UK-Motorway-A48 (M).svg
J29 → A48(M) motorway
ToPont Abraham
51°44′42″N 4°03′54″W / 51.7451°N 4.0651°W / 51.7451; -4.0651 (M4 motorway (western end))
Location
CountiesGreater London, Berkshire, Wiltshire, Gloucestershire, Monmouthshire, Newport, Cardiff, Vale of Glamorgan, Rhondda Cynon Taf, Bridgend, Neath Port Talbot, Swansea, Carmarthenshire
Primary
destinations

London
London Heathrow Airport
Slough
Maidenhead
Reading
Newbury
Swindon
Bristol
Newport
Cardiff
Bridgend
Port Talbot
Neath
Swansea
Road network
M3M5

M4 motorway is a motorway between Chiswick and Pont Abraham services in United Kingdom.

Stops[change | change source]

References[change | change source]

  1. "Directions to M4, Hendy, Swansea". Google. Retrieved 11 February 2017.
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