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Addison1-200px.jpgLachel has extensive experience working on a variety of transportation projects including highway, mass transit, and rail tunnels. We understand the importance of approaching projects with careful planning and the goal to build structures that will be long-lived. Whether working on a new design or rehabilitating an existing project, Lachel’s staff provides over 35 years of experience in feasibility studies for, and design, inspection, and rehabilitation services of underground transportation facilities and infrastructure.



Our expertise includes:

  • Vehicular TunnelsMass Transit Systems
  • Underground Stations
  • Rails to Trails Facilities


Take a look at a few examples of our recent transportation projects:


Addison Airport Tunnel
Addison Airport is the busiest general aviation airport in the State of Texas. To improve east-west traffic flow in the vicinity of the airport...


Union Canal Tunnel
The oldest surviving transportation tunnel in the United States is the Union Canal Tunnel in Pennsylvania.