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The M4, originally the London-South Wales Motorway, is a motorway in the United Kingdom running from west London to southwest Wales. The English section to the Severn Bridge was constructed between 1961 and 1971; the Welsh element was largely complete by 1980, though a non-motorway section around Briton Ferry bridge remained until 1993.
Check live traffic conditions for the M4 motorway, reporting accidents, roadworks, congested hotspots and traffic jams on the M4.
M4 Traffic News. The M4 is a motorway that runs from London, all the way to south Wales, stretching across the west of the UK. It opened in 1961, and was completed in 1996. The M4 carries over 130,000 vehicles every day, according to data from Highways England.
The road from Dublin to Sligo is around 200 kilometres long and uses the M4 motorway for the first 60 km, and the N4 for the remainder which varies from a grade separated dual carriageway to a single.
Map of M4 Motorway Junctions. To the West the M4 at M4 Junction 20 which heads north to Devon Cornwall and the South West of England. The Western end of the M4 is in South Wales Junctions 23 to 48. Bridgend is on Junctions 25 to 37, M4 Junctions 44 and 45 for Swansea, Junctions 30 to 33 for Cardiff and Junctions 24 to 28 for Newport.
M4 Traffic is dedicated to featuring the latest M4 traffic news, traffic updates, traffic reports, details of roadworks and other M4 news of interest to motorists using the M4 motorway. Information about the M4 Motorway.
Easily one of the most varied motorways in Britain, from urban chaos in west London and Heathrow Airport, out through the rolling hills of Gloucestershire, across the Severn Estuary and through industrial South Wales, the M4 does it all.
WestConnex M4. The New M4 Tunnels opened to traffic in July 2019. WestConnex M4 (the New M4 Tunnels and the Widened M4), includes 5.5km Tunnels and around 8.5km of surface roads.
21 Jun 2024. Rush hour bridge closure after crash and spillage. A crash and spillage have caused "severe delays" for those crossing between England and Wales. Bristol. All the latest content about...
Dec 5, 2022 · M4 junctions 3-12. We’ve made improvements on the M4 between junctions 3 and 12 by adding an additional lane for traffic to help increase capacity and reduce congestion. We’ve also put in place new technology to smooth traffic flows and manage incidents along this stretch. Start date2018.
