M4 motorway
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M4 | ||||
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![]() Prince of Wales Bridge looking towards Wales | ||||
Route information | ||||
Part of ![]() | ||||
Maintained by Highways England South Wales Trunk Road Agent | ||||
Length | 189 mi[1] (304 km) | |||
Existed | 1963–present | |||
History | Opened: 1959 (Chiswick Flyover), 1961 (as A4(M)), 1963, 1966 (as A48(M)) Completed: 1996 | |||
Major junctions | ||||
East end | Chiswick 51°29′23″N 0°16′41″W / 51.4897°N 0.2781°W | |||
![]() ![]() J4b → M25 motorway ![]() ![]() ![]() J8/9 → A308(M) motorway/A404(M) motorway ![]() ![]() J10 → A329(M) motorway ![]() ![]() J19 → M32 motorway ![]() ![]() J20 → M5 motorway ![]() ![]() J21 → M48 motorway ![]() ![]() J22 → M49 motorway ![]() ![]() J23 → M48 motorway ![]() ![]() J29 → A48(M) motorway | ||||
To | Pont Abraham 51°44′42″N 4°03′54″W / 51.7451°N 4.0651°W | |||
Location | ||||
Counties | Greater 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 | ||||
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The M4 is a long motorway in the United Kingdom. It goes from London to South Wales. It also passes Bristol. It was first called the London–South Wales Motorway.
Junctions[change | change source]
References[change | change source]
- ↑ "Directions to M4, Hendy, Swansea". Google. Retrieved 11 February 2017.
Coordinates[change | change source]
- ↑ 51°29′22″N 0°16′40″W / 51.48944°N 0.27778°W Eastern end of M4
- ↑ 51°29′41″N 0°29′44″W / 51.49472°N 0.49556°W Intersection of M25 and M4
- ↑ 51°27′14″N 1°18′52″W / 51.45389°N 1.31444°W Intersection of M4 and A34 (E05)
- ↑ 51°33′01″N 2°33′11″W / 51.55028°N 2.55306°W Almondsbury Interchange – Intersection of M4 and M5
- ↑ 51°34′21″N 2°41′31″W / 51.57250°N 2.69194°W Second Severn Crossing
- ↑ 51°44′42″N 4°03′54″W / 51.74500°N 4.06500°W Western end of M4
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