Severn Tunnel

The English Stones are a rocky outcrop in the Severn Estuary between Caldicot, Monmouthshire, and Severn Beach, South Gloucestershire. Because the area is exposed at low tide, and is a rare spot of solid land in the highly tidal estuary, it has long been considered a good location to build barrages, dams or bridges. In the 1990s the construction of the Second Severn Crossing made use of the English Stones as a foundation for significant sections of the bridge.

The Second Severn Crossing (Welsh: Ail Groesfan Hafren), officially named the Prince of Wales Bridge (Welsh: Pont Tywysog Cymru) since July 2018, is the M4 motorway bridge over the River Severn between England and Wales, opened in 1996 to supplement the traffic capacity of the Severn Bridge built in 1966. The bridge is operated by England's National Highways. It has a total length of 5,128 metres (16,824 ft). It is southwest of the Severn Bridge and because it is more closely in line with the rest of the M4, it reduces the length of the journey between England and Wales. The junctions at each end are designed for most traffic to use this crossing, and in order to use the old Severn Bridge, one has to leave the M4 at junction 21 and join the M48 near Aust or at junction 23 near Magor. The new crossing carries more traffic than the Severn Bridge, which is still in use. It is wider than the Severn Bridge, having three lanes and a narrow hard shoulder each way, compared to the two lanes, cycle path and narrow footpath of the original crossing. It is a cable-stayed bridge, whereas the Severn Bridge is a suspension bridge. The position of the bridge is close to that of the Severn Tunnel, which has carried the railway line beneath the river bed since 1886. Much of the estuary is mudflats at low tide, but at high tide these can be covered by as much as 14 metres (46 ft) of water. This presented the engineers with a constraint: packets of work were scheduled at low tide, and needed to be completed within the short windows allowed by the tides. The concession given to the consortium which financed, built and operate the bridge required them to take over the outstanding debt on the original Severn Bridge and to operate the two bridges as a single entity. Tolls were set annually by the government based on the previous year's change in the Retail Price Index. On the expiry of the concession in January 2018, the consortium was required to hand the bridge over to public ownership. The tolls on both bridges were subsequently scrapped in December 2018.

Portskewett Pier was a station on the Bristol & South Wales Union Railway. The pier at Black Rock, near Portskewett, was the Welsh side of the New Passage Ferry across the River Severn. The ferry linked rail services between Bristol and South Wales, avoiding the previous long detour through Gloucester. The ferry service lasted for nearly twenty five years, from 1863 to 1886, until the opening of the railway tunnel beneath the river.

Sudbrook is a village in Monmouthshire, south east Wales. It is located 4 miles south west of Chepstow and 1 mile east of Caldicot. It lies close to the Second Severn Crossing on the Severn Estuary, and adjoins the village of Portskewett. It was largely built in the late 19th century for workers on the Severn railway tunnel. At that time it was also known as Southbrook.

New Passage Pier was the original terminus of the Bristol and South Wales Union Railway, located on the south bank of the River Severn at New Passage, South Gloucestershire, England. At New Passage, passengers would disembark from trains and use a boat across the Severn. New Passage had been the site of a ferry from England to Wales including the use by mail and passenger coaches between Bristol and to Portskewett in south Wales. In 1825 the New Passage Association formed, using the 30-ton steamboat "St Pierre". However, the sponsorship by the Dukes of Beaufort of the Aust route, with faster boats and a pier, meant that by 1830 mail coaches were diverted there, and the New Passage declined.Construction of the new railway started in 1858 and the single-track 7 ft (2,134 mm) broad gauge line opened from South Wales Junction, half a mile east of Bristol Temple Meads, as far as the landward end of New Passage Pier on 8 September 1863, a distance of 11 miles (18 km). The distance by rail between Bristol and Cardiff was reduced from 94 miles (151 km) to 38 miles (61 km). The Bristol and South Wales Union Railway built new piers for the ferry, that at New Passage being 546 yards (499 m) long.A steam ferry, the Saint Pierre had been built by Pride and Williams for the New Passage crossing in 1825 and it worked there until 1831. The B&SWUR bought a new steamer, the Gem in 1863 but it proved unsuitable and was soon replaced by the Relief. John Bland, a carrier and shareholder in the railway, was contracted to operate the ferry. The next vessel purchased was the Dragon Fly, this had been used by the contractors to build the piers but was too small to work as the ferry. Instead, two paddle tugs, the Ajax and the Atlas were hired in to cover for the Relief.A new paddle steamer arrived in June 1864, named Christopher Thomas after the chairman of the B&SWUR, it had been built for the company by Henderson, Coulborn and Company at Renfrew in Scotland. A slightly larger vessel named the Chepstow arrived from the same shipyard on 11 February 1875. These two continued in service until the Severn Tunnel was opened in 1886. They were sold to WS Ogden at Cardiff in 1880, the Chepstow being renamed the Rover. The funnels were generally painted black with a red band.The station became redundant in 1886 following construction of the Severn Tunnel, and was closed. The pier was demolished by 1888. A plaque now marks the site, and although the building of new piling for flood defences and new concrete castings mean there is little to no trace of the railway on the land side, at low water, some remains of wooden piling can be seen below the plaque site.

New Passage is a hamlet in South Gloucestershire, England, on the banks of the Severn estuary near the village of Pilning. It takes its name from the ferry service which operated between there and South Wales until 1886.

Severn Beach railway station serves the village of Severn Beach, England. The station is the terminus of the Severn Beach Line. This station is 13.5 miles (21.7 km) north west from Bristol Temple Meads on the Severn Beach Line. The station is managed by Great Western Railway, who are also the sole provider of trains serving the station.

Portskewett railway station is a former station serving Portskewett, Wales, four miles south west of Chepstow and one mile east of Caldicot. It was opened as a broad gauge line with the South Wales Railway in 1850 and closed to passengers in 1964. Between 8 September 1863 and 1886 the station was known as Portskewett Junction, where the Bristol and South Wales Union Railway diverged for the New Passage Ferry crossing to Bristol. This new station was at a location 800 yards east of the original location. The opening of the Severn Tunnel in 1886 made the ferry at Black Rock redundant. The station was twin platform with a footbridge. The footbridge and the twin track line remain in use today. Portskewett Pier railway station was opened on 1 January 1864 and closed 1 December 1886.

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.

On 7 December 1991, two trains collided inside the Severn Tunnel, between England and Wales. There were no fatalities but 185 passengers were injured.

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 and this provides a popular walkway along its length. Originally, the Severn Way finished at Severn Beach, but it has 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.

St Mary's is located in the centre of the village of Portskewett, Monmouthshire. It is a Grade I listed building as of 19 August 1955.