| Thorpe Interchange | |
|---|---|
 Thorpe Interchange from the south west in May 2001; it is junction 12 of the M25 and junction 2 of the M3 | |
 | |
| Location | |
| Surrey | |
| Coordinates | 51°24′N0°32′W / 51.40°N 0.54°W |
| Roads at junction | |
| Construction | |
| Opened | 9 October 1980 |
| Maintained by | National Highways |
The Thorpe Interchange is a large motorway free-flow intersection in Surrey, United Kingdom, connecting the M3 with the M25.
The section of the M3 that passes through the interchange (Bagshot A322 to Sunbury Cross A308, junctions 1–3) opened on 11 July 1974. [1] The A316 from Sunbury Cross (eastwards) was improved at the same time. It was the last of four contracts of the first main section of the M3. Construction of this section of the M3 had begun in January 1971. The £12.7m contract was awarded to A.E. Farr of Westbury, Wiltshire. [2] The section involved building fifty bridges.
The section of the M25 to the north began in August 1974 and opened in December 1976. The section of the M25 to the south (Chertsey to Thorpe) began in July 1978 and opened on 9 October 1980.
The M25 north of here to the junction with the M4 junction 15, is one of the busiest roads in the UK. The M25 reached the M4 from the M3 in 1985.
Construction of the full interchange began in July 1978 and it opened in 1980.
The junction is junction 2 of the M3, and junction 12 of the M25. The M25 north of the junction is 5 lanes, and south of the junction it is 4 lanes wide. The next junction north along the M25 is the Addlestone Interchange, and south along the M25 is the Runnymede Interchange. The design is a turbine interchange. The B389 (west) and B388 (east) pass east–west close to the north of the interchange. Chertsey is around one mile to the south-east. The Chertsey Branch Line passes close to the south-west, between Virginia Water railway station (to the west), and Chertsey railway station (to the south-east).
The M25 or London Orbital Motorway is a major road encircling most of Greater London. The 117-mile (188-kilometre) motorway is one of the most important roads in the UK and one of the busiest. Margaret Thatcher opened the final section in 1986, making the M25 the longest ring road in Europe upon opening. The Dartford Crossing completes the orbital route but is not classed as motorway; it is classed as a trunk road and designated as the A282. In some cases, including notable legal contexts such as the Communications Act 2003, the M25 is used as a de facto alternative boundary for Greater London.
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. On the opening of the Second Severn Crossing in 1996, the M4 was rerouted over it.
The A1, also known as the Great North Road, is the longest numbered road in the United Kingdom, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland. It passes through or near north London, Hatfield, Welwyn Garden City, Stevenage, Baldock, Letchworth Garden City, Biggleswade, Eaton Socon, Buckden, Peterborough, Stamford, Grantham, Newark-on-Trent, Retford, Doncaster, Pontefract, York, Wetherby, Ripon, Darlington, Durham, Gateshead, Newcastle upon Tyne, Morpeth, Alnwick and Berwick-upon-Tweed.
The M40 motorway links London, Oxford, and Birmingham in England, a distance of approximately 89 miles (143 km).
The M3 is a motorway in England, from Sunbury-on-Thames, Surrey, to Eastleigh, Hampshire; a distance of approximately 59 miles (95 km). The route includes the Aldershot Urban Area, Basingstoke, Winchester, and Southampton.
The M56 motorway serves the Cheshire and Greater Manchester areas of England. It runs east to west from junction 4 of the M60 at Gatley, south of Manchester, to Dunkirk, approximately four miles north of Chester. With a length of 33.3 miles (53.6 km), it connects North Wales and the Wirral peninsula with much of the rest of North West England, serves business and commuter traffic heading towards Manchester, particularly that from the wider Cheshire area, and provides the main road access to Manchester Airport from the national motorway network.
The M23 is a motorway in the United Kingdom, running from the south of Hooley in Surrey, where it splits from the A23, to Pease Pottage, south of Crawley in West Sussex where it rejoins the A23. The northern end of the motorway starts on what is effectively a 2-mile (3.2 km) spur north of junction 7 of the M25 motorway. From Hooley it runs for 17 miles (27 km) past Redhill, Gatwick Airport and Crawley. A spur runs from junction 9 to Gatwick Airport.
The A12 is a major road in Eastern England. It runs north-east/south-west between London and the coastal town of Lowestoft in the north-eastern corner of Suffolk, following a similar route to the Great Eastern Main Line until Ipswich. A section of the road between Lowestoft and Great Yarmouth became part of the A47 in 2017. Between the junctions with the M25 and the A14, the A12 forms part of the unsigned Euroroute E30. Unlike most A roads, this section of the A12, together with the A14 and the A55, has junction numbers as if it were a motorway.
Upper Halliford is a small village in the Borough of Spelthorne, Surrey, England approximately 24 km (15 mi) west of central London. It is part of the Shepperton post town and is in the Metropolitan Green Belt. The closest settlements are Shepperton, Charlton and Walton on Thames. St Andrew’s Baptist Church is in the southern part of the village and the settlement is in the ecclesiastical Parish of Sunbury on Thames. The conservation area surrounds the village green.
The A329(M) is a motorway in Berkshire, England. It is 4 miles (6.4 km) long and runs from the west of Bracknell to the north west of Winnersh. It is one of a small number of parts of the motorway system in England that are managed by the local highway authority, in this case Wokingham Borough Council, rather than National Highways.
The A316, known in parts as the Great Chertsey Road, is a major road in England, which runs from the A315 Chiswick High Road, Turnham Green, Chiswick to join head-on the M3 motorway at Sunbury-on-Thames. Its initial London section Chiswick Lane heads south – following this it is a mostly straight dual carriageway aligned WSW.
The M63 motorway was a major road in the United Kingdom. It was completely renumbered, in 1998, to become a substantial part of the M60 motorway which orbits part of Greater Manchester.
The M4 Motorway is a 55-kilometre (34 mi) series of partially-tolled dual carriageway motorways in Sydney, New South Wales designated as route M4. The M4 designation is part of the wider A4 and M4 route designation, the M4 runs parallel and/or below ground to Great Western Highway, Parramatta Road and City West Link, which are part of route A44.
The London Ringways were a series of four ring roads planned in the 1960s to circle London at various distances from the city centre. They were part of a comprehensive scheme developed by the Greater London Council (GLC) to alleviate traffic congestion on the city's road system by providing high speed motorway-standard roads within the capital, linking a series of radial roads taking traffic into and out of the city.
The Auckland Southern Motorway is the major route south out of the Auckland Region of New Zealand. It is part of State Highway 1.
The M-3 is a north–south motorway in Pakistan, connecting the Lahore end of the M-2 to M-4 near Abdul Hakeem.
The M4 is a north–south motorway in Pakistan that connects the cities of Faisalabad and Multan. The 309 km motorway also connects to the M2, M3 and M5 motorways.
A smart motorway, also known in Scotland as an intelligent transport system, is a section of motorway in the United Kingdom that employs active traffic management (ATM) techniques to increase capacity through the use of MIDAS technology including variable speed limits and occasionally hard shoulder running and ramp metering at busy times. They were developed at the turn of the 21st century as a cost-effective alternative to traditional carriageway widening, with intended benefits ranging from more reliable journey times to lower vehicle emissions. However, despite the risk of a collision occurring between two moving vehicles being found to be decreased, there has been an acknowledged rise in the incidence of collisions involving vehicles where at least one was stationary in the first few years following the widespread removal of the hard shoulder on the country's busiest sections of motorway. Smart motorways garnered intense criticism from politicians, police representatives and motoring organisations, particularly from 2020 onwards, after a surge in near miss incidents and dozens of fatalities were revealed, and as of April 2023, no new smart motorways will be built.
The Thorney Interchange is a large motorway intersection in the UK, between the M4 and M25. It is one of the busiest motorway interchanges in the country. It lies on the edges of Buckinghamshire, Greater London and Berkshire, and is close to Surrey and Staines-upon-Thames.
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