Traffic Signals & Guidance

Our experts have been involved in engineering, quality control, marketing, and product development of traffic signals and other traffic guidance equipment, including the development of traffic signal control equipment.

I Had the Green Light… No, I Had the Green Light…

Robson Forensic experts specializing in the design and programming of traffic signals analyze intersection diagrams, maintenance reports, police reports, eye-witness accounts, and information from vehicle crashes to reconstruct an incident and reliably determine signal patterns leading up to a crash.

Traffic signal investigations may involve:

  • Access Plans
  • Cycle Lengths
  • Equipment Maintenance
  • Lane Usage
  • Left Turns
  • Optimal Signal Phasing
  • Pavement Marking
  • Pedestrian Signal Timing
  • Pedestrian Crosswalks
  • Signal Warrants and Studies Evaluation
  • Signal Timing
  • Signing
  • Traffic Layout
  • Work Zone Traffic Control

Robson Forensic highway and traffic experts can investigate these and related issues.


Robson Forensic offers a fully appointed mechanical testing laboratory to assist our clients with the inspection of evidence related to vehicle crash cases.Our lab facilities can accommodate large evidence items and are equipped to host a variety of tests procedures. Visit our Mechanical Testing Laboratory page for more information.


Call or submit an inquiry to tell us about your case. Once we determine which expert is best qualified to assist, we will put you in direct contact.

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