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  Feldkirch city tunnelsystem – First rockmade roundabout in the E.U.

  With the resolution of the Provincial Government of Vorarlberg in 2009 to finance the first rock-made roundabout within the European Union it opens a new dimension of using underground space in densely populated urban aereas. As there are several exampels in Europe for under-ground roundabouts buildt by cut & cover, this one will be the first made by drill & blast in a hard rock mountain. The planning staff faces a bunch of challenges. This could be a pioneering and forward looking way of underground traffic solutions.

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