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M4 Motorway

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M4 Motorway
CountryUnited Kingdom
RouteM4
Length mi129
Length km208
Direction aEast
Terminus aChiswick
Direction bWest
Terminus bPont Abraham

M4 Motorway. The M4 Motorway is a major transportation route in the United Kingdom, connecting London to South Wales via Bristol and Swindon. It forms part of the European route E30, which spans from Cork in Ireland to Omsk in Russia, passing through Amsterdam, Berlin, and Moscow. The motorway is managed by Highways England, a public company sponsored by the Department for Transport, and is maintained by Balfour Beatty and Costain Group.

Introduction

The M4 Motorway is one of the busiest roads in the United Kingdom, with over 130,000 vehicles using it every day, including National Express coaches and DB Schenker lorries. It passes through several counties, including Greater London, Berkshire, Wiltshire, Gloucestershire, Bristol, and South Wales, and is a key route for commerce and industry, serving Heathrow Airport, Bristol Port, and the Port of Southampton. The motorway is also an important route for tourism, providing access to popular destinations such as Stonehenge, Bath, and Cardiff Castle. The M4 Motorway is monitored by the Highways Agency and Gatso, and is patrolled by the Thames Valley Police and Avon and Somerset Constabulary.

Route

The M4 Motorway begins in Chiswick, London, and heads west, passing through Hounslow, Slough, and Maidenhead before reaching Reading. It then continues west, passing through Newbury, Swindon, and Bristol before crossing the River Severn into South Wales. The motorway passes through Cardiff and Bridgend before terminating at Pont Abraham in Carmarthenshire. The route passes near several notable landmarks, including Windsor Castle, Stonor Park, and Caerphilly Castle, and is close to the M25 motorway, M3 motorway, and M5 motorway. The M4 Motorway is also near the A4 road, A34 road, and A48 road, and intersects with the A329(M) motorway and A419 road.

History

The M4 Motorway was first proposed in the 1930s, but construction did not begin until the 1950s, with the first section opening in 1959 between London and Slough. The motorway was gradually extended west, with the final section opening in 1996 between Newport and Cardiff. The M4 Motorway has undergone several upgrades and improvements over the years, including the construction of new junctions and the widening of existing sections, with the help of Costain Group, Balfour Beatty, and Carillion. The motorway has also been the subject of several major engineering projects, including the construction of the Second Severn Crossing and the M4 relief road, which was designed by Arup Group and built by Skanska.

Junctions

The M4 Motorway has several major junctions, including Junction 1 with the A4 road and Junction 3 with the A312 road. The motorway also intersects with the M25 motorway at Junction 4b, and the M32 motorway at Junction 19. Other notable junctions include Junction 11 with the A33 road and Junction 20 with the M5 motorway, which provides access to Bristol Airport and the Port of Bristol. The M4 Motorway also has several smaller junctions, including Junction 5 with the A4 road and Junction 14 with the A338 road, which serve local communities such as Bracknell and Hungerford.

Features

The M4 Motorway has several notable features, including the Chiswick Flyover, which carries the motorway over the River Thames, and the Second Severn Crossing, which spans the River Severn between England and Wales. The motorway also passes through several tunnels, including the Chiswick Tunnel and the Bristol Tunnel, which were designed by Halcrow Group and built by BAM Nuttall. The M4 Motorway is also equipped with several service stations, including the M4 London Heathrow services and the M4 Swindon services, which are operated by Moto Hospitality and Roadchef.

Incidents

The M4 Motorway has been the scene of several major incidents over the years, including a coach crash in 2007 that killed two people and injured several others, which was investigated by the Air Accidents Investigation Branch and the British Transport Police. The motorway has also been closed on several occasions due to severe weather, including snow and flooding, which has been reported by BBC News and ITV News. In 2011, a fuel tanker crashed on the motorway, causing a major fire and closing the road for several hours, which was attended by the London Fire Brigade and the Avon Fire and Rescue Service. The M4 Motorway is also a major route for emergency services, including the South Western Ambulance Service and the Welsh Ambulance Service, which respond to incidents on the motorway. Category:Motorways in the United Kingdom