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The Autovía A-6 or Autopista AP-6 (also called Autovía del Noroeste) (Galician: Autovía do Noroeste) is a Spanish autovía and autopista route that starts in Madrid and ends in Arteixo (A Coruña). The tolled Autopista AP-6, from Villalba to Adanero, has a total length of 72.19 km.
Named for nearby Fort McHenry, the tunnel is the lowest point in the Interstate Highway System under water. [2] Construction began in May 1980; the tunnel opened on November 23, 1985. Having consumed some $750 million (equivalent to $2.1 billion in 2023), it was the most expensive Interstate project until surpassed by the Big Dig in Boston. [3]
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 ]
This fee is called a shadow toll (Spanish: peaje en la sombra). [3] The system can be regarded as a way for the Government to finance the construction of new roads without any initial outlay of money. Also, since payment starts after the road is finished, there are fewer construction delays in comparison with regular state-owned construction.
The Autovía A-66 is a major highway in western Spain, part of the European route E803.The road is an upgrade of the N-630 which was undertaken section by section. The route roughly corresponds to the ancient Roman 'Silver Route' connecting the cities of Mérida and Astorga.
View a machine-translated version of the Spanish article. Machine translation, like DeepL or Google Translate , is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
A submersible bridge at the entrance of Corinth Canal. A submersible bridge is a type of movable bridge that lowers the bridge deck below the water level to permit waterborne traffic to use the waterway.
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.