Traffic Engineering encompasses the study of the roadway, the driver and the vehicle. Traffic engineers determine roadway features such as lane width, the number of lanes, curvature characteristics, in addition to the proper placement of traffic control devices (signs, signals, and markings). TRC Director has been a licensed Traffic Engineer for over 30 years. Traffic Engineering is a significant aspect of TRC’s expertise. We provide highway agencies and attorneys with research in the areas of traffic engineering, highway design, highway illumination, highway safety, human factors, parking lot design, and roadway illumination. For expert witness services pertaining to traffic engineering, go to the ‘Litigation Support’ tab above.