A403 road

The A403 is a main road linking Bristol with the Severn Estuary. It runs from junction 1 of the M48 at Aust to the docks at Avonmouth. After the Severn Bridge was opened in 1966, the A403 was constructed in 1969 and 1970 to provide a direct route between the M4 motorway and Avonmouth. It is an important route for the local industries, allowing easy access between Wales and this part of England. It was financed by Gloucestershire County Council with a £387,000 grant from the Ministry of Transport and was initially known as the Avonmouth Aust Coast Road.[1]

Route

A403
A403 at Avonmouth

The road is 8 12 miles (13.7 km) running through South Gloucestershire and the City of Bristol. Between the M4 at Aust and Pilning it replaced the B4055 on a realigned route. Between Pilning and Chittening it followed a new route beside the ICI Severnside plant, and from Chittening to Avonmouth it followed the route of an existing unclassified road, St Andrews Road. At Avonmouth it connects with the A4, leading to the Portway.[2] The road disrupted local communities, with Pilning being split in two sections.[3] It runs near the proposed Avonmouth and Severnside Enterprise Area, planned for expansion by Bristol City Council.[4]

Safety

Around 8,000 vehicles a day use this road. Although this is relatively low, a high proportion of traffic consists of heavy goods vehicles (HGVs); over five times the average.[5][4] The A403 has had a poor safety record with numerous accidents. A particular problem has been HGVs parked at laybys along the road obscuring the view ahead, leading to several fatalities. South Gloucestershire Council reduced the speed limit on their section to 50 mph in 2007.[6] Bristol City Council have announced plans to install better facilities for cyclists along the road.[4]

References

  1. ^ "Classified Road Programme". Hansard. 14 December 1965. Retrieved 8 August 2016.
  2. ^ "A403, Bristol". Google Maps. Retrieved 8 August 2016.
  3. ^ "Northwick". Bristol & Avon Family History Society. Retrieved 8 August 2016.
  4. ^ a b c "A403 improvements". Bristol City Council. Archived from the original on 23 August 2016. Retrieved 8 August 2016.
  5. ^ "A403 and Aust Village – Casualty Reduction Scheme". South Gloucestershire Council. Retrieved 8 August 2016.
  6. ^ "Killer Aust lay-by to be closed". Gloucestershire Gazette. 13 March 2014. Retrieved 8 August 2016.

Coordinates: 51°33′09″N 2°39′56″W / 51.55237°N 2.66547°W

Chittening

Chittening is an industrial estate in Avonmouth, Bristol, England, bypassed by the A403 road, near the River Severn. It lies within the city boundary of Bristol, in Avonmouth ward, but used to be beyond it, in historic Gloucestershire, on former marshland at the southern end of the Vale of Berkeley.

Portway, Bristol

The Portway is a major road in the City of Bristol. It is part of the A4 and connects Bristol City Centre to the Avonmouth Docks and the M5 motorway via the Avon Gorge.

The road was constructed following World War I in order to provide improved access to the ports at Avonmouth Docks, which had replaced Bristol Harbour as the major local centre for commercial shipping. Upon opening on 2 July 1926, it was the single most expensive road project in Britain, costing £800,000 (now about £46 million). The construction posed a number of significant engineering challenges, including long and deep rock cuttings, a viaduct over the River Trym, and retaining walls against the gorge adjacent to the River Avon. Falling rocks have since been a problem along the Portway, particularly at the southern end close to the Clifton Suspension Bridge, with concrete canopies constructed to prevent loose rock and assist with remedial work.

The Portway remains an important route to and from Bristol, and is now used as part of the Portway Park and Ride scheme. In the 21st century, the road has been regularly shut to motor traffic for maintenance, providing sporting events such as the Bristol Half Marathon, or to allow locals to enjoy a traffic-free view of the Avon Gorge.

Seabank Power Station

Seabank Power Station is a 1,140 MW gas-fired power station at Hallen Marsh in Bristol, England. It is situated beside the A403 road and Severn Estuary, just north of Avonmouth and south of Severn Beach, close to the boundary with South Gloucestershire. It is next to the former Terra Nitrogen Severnside fertiliser works, which was closed by Growhow UK in January 2008.The £435m plant is run as Seabank Power Ltd. The initial partners in the company were BG Group (former part of British Gas) and Scottish and Southern Energy (SSE), however in 2010 BG Group, as part of its reorganisation sold its 50% share of the plant to Cheung Kong Infrastructure Holdings Limited The company is now owned by Cheung Kong Infrastructure Holdings Limited, and SSE.

It was built by Siemens Power Generation and initially opened in 2000. It was built in two parts, with Seabank 1 (755 MW) started in January 1996 and completed in March 2000. Seabank 2 (385 MW) was started in January 1999 and was completed in January 2001. The station has a number of step up transformers that allow connection to the National Grid high voltage electricity transmission system via the Seabank 400 kV GIS Substation. The power plant provides enough electricity for approximately 1.6 million people.Seabank is a Combined cycle gas turbine (CCGT) type power station that runs on natural gas supplied by a 70BAR, 42" pipeline that runs from the companies gas compressor station "Abson" in Pucklechurch, Bristol. The section first built consists of two Siemens V94.3A (now called SGT5-4000F) gas turbines with two heat recovery steam generators (HRSG) and a steam turbine. The next built section consists of one V94.3A gas turbine, an HRSG and one steam turbine. It has a 55% thermal efficiency. The HRSGs were built by Standard Fasel Lentjes (known as SFL and now owned by NEM Energy) and Stork Power Services, both Dutch companies.

Severn Beach

Severn Beach is a village on the Severn Estuary in South Gloucestershire, England. The eastern portal of the Severn Tunnel is on the outskirts of the village. The Severn footpath – on the sea wall – is part of the Severn Way that leads from Gloucester, Slimbridge and the Second Severn Crossing. Extensive sea defences have been constructed in recent years and this provides a popular walkway along its length. Originally, the Severn Way finished at Severn Beach, but it has recently been extended to Bristol.The village is part of the Filton and Bradley Stoke Parliamentary constituency and is represented by the Conservative MP, Jack Lopresti.

Severn View services

Severn View services is a motorway service station on the M48 motorway near the village of Aust, northwest of Bristol. It is owned by Moto. It was formerly called Aust Services.

A roads in Zone 4 of the Great Britain road numbering scheme
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