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In keeping with our full-service reputation and client-focused approach, Tetra Tech provides the full range of services to the transportation sector.  Whether the project is a residential street improvement, a major interchange, an environmental assessment, corridor study, or major structural design, our professional, experienced staff will provide support services from conception to study, through design and construction.

Tetra Tech combines large-company resources with regional knowledge and expertise in the areas of planning, permitting, design, construction administration, and program management consulting for highways, structures, transit systems, and aviation facilities.

Our regional approach and consistent delivery has resulted in the majority of our work being repeat work with longstanding clients. We are proud of our record and recognize that our success depends on meeting or exceeding our client’s expectations for delivery, innovation, quality, and service.



  • Transportation planning
  • Traffic studies
  • Environmental permitting/environmental studies
  • Highway and roadway design
  • Bridges and retaining structures
  • Noise barriers
  • Traffic signals/intersection design
  • Intelligent transportation systems
  • Transit studies
  • Transit facility design
  • Stormwater design
  • Survey/Geographic Information System (GIS)/remote sensing
  • Right-of-way engineering
  • Program management
  • Construction management

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Turcot Interchange Replacement, Montreal, Quebec

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Salang Tunnel Feasibility Study

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Alternate Airstrip Location Study, Nain, Labrador

Designing an airport on Canada’s rugged northeastern coast

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Mackenzie Valley Highway Extension in Canada’s Northwest Territories

Helping to create reliable year-round access to health care, education, and job opportunities

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Airside Improvements, Iqaluit

Reconstructing a critical airfield in the Far North

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Related brochures »


3475 East Foothill Boulevard
Pasadena, California 91107-6024
P +1-626-351-4664
F +1-626-351-5291


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