M32 motorway
M32 motorway
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M32 motorway

The M32 is a 4.4-mile-long (7.1 km) motorway in South Gloucestershire and Bristol, England. It provides a link from the M4, a major motorway linking London and South Wales, to Bristol city centre and is maintained by National Highways, the national roads body.

The motorway was planned concurrently with the M4 in the 1960s, and construction was complete to Eastville in northeast Bristol by 1970. The southernmost section was delayed by engineering challenges and industrial action, and did not open until 1975. Since the mid-2000s, there have been plans to use the M32 as part of a park and ride facility which would reduce congestion in Bristol.

Though the M32 has a small traffic flow, it is one of the most congested motorways in the region as it connects a number of key areas. As well as providing one of the few high-quality routes into the centre of Bristol, it is the only significant link from the M4 to the A4174 Bristol Ring Road. Parts of the M32 are reaching the end of their intended lifespan, leading to reduced speed limits and occasional closures for remedial work. Local residents have criticised the M32, complaining that it has severed communities and has an unacceptable noise level.

The M32 is 4.4 miles (7.1 km) long. Its northern end is at junction 19 of the M4, near Winterbourne Down. Originally a grade separated roundabout junction, it was modified in 1992 to remove conflicting traffic movements in order to increase capacity.

The motorway then runs south between Filton in the west and Frenchay in the east. After meeting the A4174 ring road at junction 1, it crosses the boundary from South Gloucestershire to Bristol, passing to the east of Horfield, Lockleaze and Easton. Junction 2, next to Eastville Park, meets the B4469 providing access to Horfield. Midway through, a 40 mph (64 km/h) speed limit begins. The motorway continues further south and ends just beyond junction 3, north of St Paul's. A dual carriageway continues as the A4032 into the centre of Bristol, with a 40 mph (64 km/h) speed limit.

The M32 is a trunk road, therefore its maintenance and upkeep is paid for by National Highways, the national roads authority. Most of the road has two lanes in each direction, though an extended sliproad north of junction 2 provides a climbing lane, and the short section between junction 1 and the M4 has three lanes both ways.

The M32 was planned to be a key radial link through to the hub of a network of radial and ring roads within a rectangle encompassing Bristol. Other bounds of this scheme were parts of the M4 (north eastern side), the M5 (north western side) and the tidal reaches of the River Avon (south western side), the south eastern side not being defined by landmarks. The motorway was partly funded by Gloucestershire County Council and Bristol City Council, with a 75 per cent grant supplied by the national Ministry of Transport. It was provisionally called the Hambrook Spur or the Bristol Parkway during construction, and was built in three distinct stages between 1966 and 1975.

The first section, from the M4 to junction 1, opened concurrently with that motorway in September 1966. The second section, through to junction 2, was a co-operative design between the Gloucestershire county surveyor and the design consultants Freeman Fox & Partners. Construction was awarded to Sir Robert McAlpine, who began work in June 1968. The northern section was designed as a full-speed (70 mph (110 km/h)) motorway as far as Eastville, after which the motorway ran on an elevated section with a lower design standard. This section was opened by the Secretary of State for Transport, John Peyton in July 1970. The total cost was £3 million (now £59 million). In 1972, a polystyrene storage depot on Muller Road near junction 2 caught fire, leading to the closure of the southbound M32 for six days.

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