Technical Specialties

Traffic Engineering

Working within the framework of our clients’ budgets and design constraints, DEA’s engineers blend practical approaches with technical innovation to create solutions that work for all modes of transportation, including automobiles, high-occupancy vehicles, trucks, transit, and non-motorized travel.

Services

  • Bicycle lanes
  • Channelization
  • Commercial vehicle operations
  • Electronic toll collection
  • Environmental assessment
  • Operations management
  • Parking operations studies
  • Radar speed studies
  • Rail grade crossings
  • Safety studies
  • School route analyses
  • Signage and striping
  • Signal design
  • Traffic control device inventories
  • Traffic signal timing
  • Traffic simulations
  • Transit priority signals
  • Transportation impact studies
  • Traveler information
  • Truck weigh stations
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Featured DEA Project

Columbia River Crossing

DEA led the national consulting team that provided transportation planning, traffic highway and bridge engineering, and public involvement for the corridor study of Interstate 5 between Portland, Ore., and Vancouver, Wash.

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Featured DEA Project

Broadway Bridge Rehabilitation

DEA provided full preliminary engineering and construction engineering assistance for the rehabilitation of the 90-year-old Broadway Bridge in Portland, Ore.

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