4th Tube for River Elbe tunnel   4th Tube for River Elbe tunnel The existing Elbe Tunnel opened in 1975 with 3 tubes and 6 lanes, was designed for some 70,000 vehicles/d. With up to 140,000 vehicles/d at peak periods, the tunnel's...  

: Freudensteintunnel-Investigation   Freudensteintunnel-Investigation The construction of the pilot tunnel with enlargement and test sections was carried out to more closely investigate the rock conditions and in order to prepare for...  

Air Cushion Siphon Wiener Platz, Dresden   Air Cushion Siphon Wiener Platz, Dresden As a result of the City of Dresden's decision to revamp the Wiener Platz on the south side of the Central Station, the combined system main collector had to...  

Alter Loreley and Rossstein Tunnels   Refurbishment of old Loreley and Rossstein Tunnels These 2 railway tunnels were originally built between 1860 and 61 and had to be refurbished for safety reasons. The Alte Loreley and the Alte...  

Antwerp North-South Link (ASDAM)   Antwerp North-South Link (ASDAM) The section included the driving of two single-track tunnel tubes between the Astridplatz in front of the Central Station and the Damplatz in the north of Antwerp....