Tunnels



Stockholm Bypass - Rotstein Arkitekter

 

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San Cristóbal Tunnel, Santiago

The San Cristóbal tunnels are one of the most recent road/tunnel projects undertaken in the Chilean capital of Santiago de Chile. The project is a BOT (build, operate, transfer) project under construction by the Chilean Public Works Ministr ... Read More>>



The Conwy Immersed Tube Tunnel

The Conwy Tunnel was the UK’s first immersed tube tunnel, constructed to improve the A55 coastal route in North Wales. The tunnel is 1080m long and serves as a river crossing along with an existing trio of bridges: Telford's suspension bridg ... Read More>>



Ted Williams Tunnel

The Ted Williams Tunnel (the Williams Tunnel), is the name of the third highway tunnel under the Boston Harbour in Boston, Massachusetts, the Sumner and Callahan Tunnels being the other two. It connects South Boston with Logan International Airpor ... Read More>>



Sydney Harbour Tunnel

The Sydney Harbour Tunnel is a twin-tube road tunnel, completed and opened to traffic in August 1992 to provide an alternative vehicular crossing of the Sydney Harbour and ease congestion on the Sydney Harbour Bridge. The tunnel connects the Warri ... Read More>>



Saaser Tunnel

The Saaser Tunnel is part of the development of national route A28, presently under construction in Prättigau, Switzerland. The valley of Klosters and Davos provide a crucial passage in the Canton of Grisons in the east of Switzerland. Howeve ... Read More>>



Preveza-Aktio Tunnel

The tunnel has a 4.710m of length with the underwater part 1.570m long. The contractor was the “Joint Venture of Christiani Nielsen and Technical Company of General Construction S.A. (T.C.G.C. S.A.), now EMPEDOS S.A.

A dry doc ... Read More>>



Öresund Tunnel

In terms of volume, the Öresund Tunnel is the largest immersed tunnel in the world. Measuring 3.7km long and 40m wide, it has four lanes of highway traffic, two railway tracks and a service tunnel. The tunnel passes under the Drogden Channel ... Read More>>



Nam Wan Tunnel

Nam Wan Tunnel in Hong Kong has been under construction since 2003 and was completed in 2007 but not open to public yet. It was to be opened in the third quarter 2009, along with the West Tsing Yi Viaduct and Stonecutters Bridge. This road tunnel ... Read More>>



Medway Tunnel

The Medway Tunnel is under the River Medway linking Strood with Chatham in Kent, England. Part of the Medway Towns Northern Relief Road (A289), the Medway Tunnel is the first immersed tube tunnel to be built in England and only the second of this ... Read More>>



Limerick Tunnel

The Limerick Tunnel is a 900m long, twin-bore, immersed tube road tunnel beneath the River Shannon, currently under construction on the outskirts of Limerick City as part of phase 2 of the N7 Limerick Southern Ring Road. It will allay the N18 by d ... Read More>>



Jack Lynch Tunnel

The Jack Lynch Tunnel is an immersed tube tunnel and an integral part of the N25 southern ring road of Cork, Ireland. It takes the road under the River Lee. The ring road, north of the tunnel, connects the M8 to Dublin (north) and N8 to the city c ... Read More>>



Göta Tunnel

The Göta Tunnel was the most extensive project of the Göteborg Agreement, 2000, the construction of which proceeded for several years. The project received 75 percent funding from the government, while the remaining 25 percent came from ... Read More>>



Fort McHenry Tunnel

The Fort McHenry Tunnel is one of two tunnels that carry traffic underneath the Baltimore Harbour. The tunnel opened on 23 November 1985, bridging a gap in the East Coast’s most important interstate route, I-95, between Maine and Florida. It ... Read More>>



Eiksund Undersea Tunnel

The Eiksund Tunnel is an undersea tunnel between the municipalities of Volda and Ulstein in the Møre og Romsdal county, Norway. The tunnel, which joins the island of Hareidlandet with mainland Norway, serves the municipalities of Herø ... Read More>>



Dublin Sea Port Tunnel

Dublin Sea Port, which currently handles two-thirds of all Irelands seaport trade by value, sees over two million trucks and 300,000 cars travel in and out of the port each year. The solution to this is the Dublin Port Tunnel, which comprises appr ... Read More>>



Devil’s Slide Tunnel

The Devil’s Slide Tunnel, located along the coast between Pacifica and Montara, has a long history of closure due to rockslides and land slippage since the commencement of its construction in 1937. Kiewit Pacific Co., a subsidiary of the Kie ... Read More>>



Channel Tunnel

The Channel Tunnel is the longest (50.5km) undersea rail tunnel, which links Folkestone, Kent near Dover in the UK with Coquelles, Pas-de-Calais near Calais in northern France, beneath the English Channel at the Strait of Dover. The eventually suc ... Read More>>



Ahmed Hamdi Tunnel

The Ahmed Hamdi Tunnel enables motor vehicles to cross under the Suez Canal. It was originally constructed as a shield tunnel by the British government in 1983. It is 1.63km long and has an outside diameter of 11.6m. Salt-water leakage through the ... Read More>>



Western Harbour Tunnel

The Western Harbour Crossing is a dual 3-lane immersed tube tunnel in Hong Kong. The third tunnel to cross the Victoria Harbour, it links the newly reclaimed land in West Kowloon (Route 3) with Sai Ying Pun (Route 4) on the Hong Kong Island. The W ... Read More>>



A86 West - Eastern Tunnel

The A86 West-Eastern tunnel is being built to alleviate traffic congestion and improve traffic links between Parisian suburbs. The completion of an outer ring road will greatly relieve pressure on the existing road infrastructure and guarantee mov ... Read More>>



Warnow Tunnel

The Warnow Tunnel is a 790m long road tunnel, which connects the east and west bank of the Warnow River in the Hanseatic city of Rostock in Mecklenburg-Vorpommern, Germany. It is Germanys first toll road in modern times and was opened on September ... Read More>>