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

Las Haciendas Models

DEA landscape architects provided design services for a complex of nine model homes and two demonstration gardens that the client wanted to have the look and feel of a hacienda style.

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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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