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The Raúl Uranga – Carlos Sylvestre Begnis Subfluvial Tunnel (in Spanish, Túnel Subfluvial Raúl Uranga - Carlos Sylvestre Begnis), formerly known as the Hernandarias Subfluvial Tunnel, is an underwater road tunnel that connects the provinces of Entre Ríos and Santa Fe in Argentina, crossing the Paraná River between the capital of Entre Ríos, Paraná, and Santa Cándida Island, 15 km ...
An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry links. [ 1 ]
El Camino Real (Spanish; literally The Royal Road, sometimes translated as The King's Highway) is a 600-mile (965-kilometer) commemorative route connecting the 21 Spanish missions in California (formerly the region Alta California in the Spanish Empire), along with a number of sub-missions, four presidios, and three pueblos.
Submerged floating tunnels can be anchored to the seafloor (left) or suspended from a pontoon (right) A submerged floating tunnel (SFT), also known as submerged floating tube bridge (SFTB), suspended tunnel, or Archimedes bridge, is a proposed design for a tunnel that floats in water, supported by its buoyancy (specifically, by employing the hydrostatic thrust, or Archimedes' principle).
The Pan-American Highway from Prudhoe Bay, Alaska, to Quellón, Chile, and Ushuaia, Argentina, with official and unofficial routes shown in Mexico and Central and South America. A few selected unofficial routes shown through the United States and Canada as they existed in the early 1960s.
The only road in Navarrese territory not under the authority of the regional government is the national toll highway AP-68 (Autopista Vasco-Aragonesa), which was kept by the state to avoid a four-pronged management by the concessionaire and the Basque, Navarrese and Spanish governments.
The Tokyo Bay Aqua-Line (東京湾 アクアライン, Tōkyō-wan Akua-rain [9]), also known as the Trans-Tokyo Bay Expressway, is an expressway that is mainly made up of a bridge–tunnel combination across Tokyo Bay in Japan.
The Aztec city-state of Tenochtitlan had causeways supporting roads and aqueducts. One of the oldest engineered roads yet discovered is the Sweet Track in England.Built in 3807 or 3806 BC, [5] the track was a walkway consisting mainly of planks of oak laid end-to-end, supported by crossed pegs of ash, oak, and lime, driven into the underlying peat.