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Arizona | California | Colorado

TRA's offices are located to provide expedient and cost effective services to the Western United states.

(DBE CERTIFIED in 13 States)

Mountain Road


Full Service Traffic Data Collection Services Include:

  • Volume Counts
  • Speed Surveys
  • Classification Studies
  • Bike-Pedestrian Studies
  • Vehicle Occupancy Counts
  • Origin-Destination Studies
  • Parking Lot Surveys
  • GIS Mapping
  • Queuing Studies
  • Bridge & Sign Inventory using GPS/GIS technology
Picture of Phoenix

New Services Include:

  • Non-Intrusive Radar Data Collection for Freeways and High Volume Arterials
  • Customized Data Outputs
  • Travel Time/Speed Studies Using GPS/GIS technology
  • Automated Data Validation




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