![]() ![]() San Vicente: overall length 2,983m (2,674m of cut and cover tunnel), term of contract 36 months, estimated cost €159m Conexión Embajadores con M-40: overall length 5,800m (2,460m of cut and cover tunnel), term of contract 18 months, total estimated cost €74m.By- pass Sur: overall length 8,344m (7,212m of conventional tunnel, 632m of cut and cover tunnel), term of contract 30 months, total estimated cost €792m (north tunnel €340 million, south tunnel €429m).Nudo de la A-3: overall length 4,800m (1,400m of cut and cover tunnel, 430m of conventional tunnel), term of contract 24 months, estimated cost €187m.Nudo de O'Donnell: overall length 6,800m (150m of cut and cover tunnel, 150m of viaduct), term of contract 18 months, estimated cost €18m.Nudo de la A-2: overall length 4,460m (510m of cut and cover tunnel, 140m of viaduct), term of contract 16 months, estimated cost €25m.Nudo de Costa Rica: overall length 2,078m (892m of cut and cover tunnel, 175m of conventional tunnel), term of contract 15 months, estimated cost €27m.Nudo de la Paloma: overall length 5,508m (1,546m of cut and cover tunnel, 175m of conventional tunnel), term of contract 24 months, estimated cost €56m.The different tunnels made for the M30 project were: M30 EAST Tunnels A very large number of tunnels had to be built, by using different techniques. The motorway reconstruction took place in sections and was divided into 15 separate projects and four regions – north, south, east and west. The total project budget was estimated at €3.9bn. Construction started in September 2004 and was complete by the second quarter of 2007. The new sections of road construction totalled 99km, 56km of which is in tunnels. This now allows the surface areas that used to be asphalt paved to be redeveloped into green park areas, footpaths, cycle paths and new affordable housing. The Madrid Calle 30 project was undertaken to refurbish the road and reroute major sections of it through tunnels under the city areas with which it is associated. In 2004 it was determined that the M30 was a 'barrier' to movement in the urban areas it ran through.ĭespite its necessity as part of the road infrastructure of Madrid it caused much pollution to the air and also the Manzanares River which it ran close to. The Madrid M30 motorway, the inner ring road of the city, has been at the centre of a major urban renewal project where the motorway has been redirected underground. ![]()
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