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Vienna is not only a growing city but also one with a high quality of life. One reason for this is the availability of good public transport services, the heart of which is the subway system, which has been steadily extended for 40 years. In order to relieve Line U6 and provide better conditions for changing trains, an underground route will be constructed for Line 2 in the next few years through...
The history of autobahn tunnel construction in Austria is about 45 years young, and currently 140 tunnels with a total length of 300 km provide short, safe and environmentally friendly routes for traffic all year round. A further 100 km of tunnel are being designed or are under construction. The present article gives a review of milestones in the history of autobahn tunnel construction and analyses...
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