A leader in tunnel engineering, SYSTRA’s tunneling group, SYSTRA SWS, specializes in the design of tunnels and underground structures. Part of our Bridges and Tunnels Center of Excellence, SYSTRA SWS designed the longest rail tunnel in the world and has 18 offices worldwide, three trademarks, five patents and copyrights, and has engineered over 800 miles of railway and over 400 miles of tunnels.

Committed to technical quality and innovation, SYSTRA SWS brings our clients the benefits of meaningful international experience to the local level. View our extensive project portfolio here.