Tunnel Bad Bergzabern

Hydropower Station Ötztaler Ache

Kramertunnel

Perjentunnel

Small Hydropower Plant Argenbach

Metro Los Angeles, Westside Extension

Regional Connector, Cross Over Cavern, Los Angeles

Tunnel Bertoldshofen

Plymouth Tunnel

Burgberg Tunnel

Herrschaftsbuck Tunnel

Thames Tideway Tunnel Project

Tunnel Spitzenberg

Escape Gallery Tunnel Wendelberg

Quarters Tunnel

Chinatown Station, Central Subway Project

John Hart G.S.R.

Klauser- and Traunfried Tunnel

Zierenberger Tunnel

Gemeinschaftskraftwerk - Inn

Redevelopment Arlberg Road Tunnel

Spering- and Falkenstein Tunnel

Redevelopment new Schluechterner Tunnel

Reinstatement old Bebenroth-Tunnel

HEPP Tauernmoos

Tunnel Pummersdorf

Escape Gallery Reutherberg Tunnel

Crossrail C 510

Reinstatement old Schluechterner Tunnel

HEPP Finsing

Seattle University Link Light Rail U220

Stuttgart - S21

Bosruck Tunnel

New Bebenroth Tunnel

New York East Side Access

Metro City Tunnel Karlsruhe

Tunnel Schulberg

New Kaiser-Wilhelm-Tunnel

Tunnel Baumleite

Tunnel Kulch and Lichtenholz

Tunnel Tysons Corner

Tunnel Jagdberg

Pfaendertunnel

Los Angeles Metro Gold Line Eastside Extension

San Vicente Pipeline

Seattle Beacon Hill Station C170