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Photo: COWI


COWI Tunnel provides services concerning geotec​​hnical, structural, and civil engineering disciplines​.

COWI Tunnel provides services in geotechnical, structural, and civil engineering disciplines. ​COWI Tunnel specializes in the design of tunnels, shafts, and other underground structures. COWI Tunnel's staff is experienced in the design of tunnels and underground structures for water resources, sanitary facilities, highways, railroad and transit systems, utilities, and specialty types of tunnels such as pedestrian, mines, and caverns. Our experience includes major underground projects throughout the United States and abroad and we have always strived to provide practical, cost saving, and innovative design solutions.

Photo: Jenny

​The City of Columbus decided to increase the capacity of its sewer system with th...

Photo: Jenny

COWI Tunnel is providing resident engineering and construction management for the Blue Plains Tunnel.

Photo: By Jim Powers from Chester Springs, PA, USA [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

​As Design Manager/Construction Manager, COWI Tunnel will provide design-build bridging documents of the 5,800 ft long immersed tube tunnel an...

Photo: Jenny

​The proposed tunnel alignment traverses from the proposed Marysville Water Reclamation Facility to the existing Marysville Wastewater Tr...

Photo: JEC

COWI Tunnel is currently providing geotechical and tunnel design services, an...

Other Projects:

AMTRAK Tunnels

Brooklyn Battery Tunnel

Benbrook Water Pipeline

Central Artery Bird Island Flats

Fort Point Channel Immersed Tube Transitway Tunnels

Metro-North Hudson Line Tunnels

NYCDEP – Tunnel 3

Southwest Interceptor Sewer Tunnel

LAST UPDATED: 12.04.2017