Jocelyn Mamchur

Jocelyn Mamchur, PE is a transportation engineering expert specializing in traffic signal systems and Intelligent Transportation Systems (ITS) litigation. With extensive experience in municipal engineering and public agency standards, she brings a nuanced understanding of design compliance and safety analysis to her litigation work. Her work centers on investigating traffic signal failures, assessing compliance with engineering standards, and evaluating whether deviations from the Manual on Uniform Traffic Control Devices (MUTCD) have occurred.

Ms. Mamchur has been retained in numerous expert witness and consulting engagements across the Pacific Northwest, involving municipal liability and pedestrian safety cases. Her Bachelor of Science in Engineering from the University of Manitoba, along with her Professional Engineer (PE) license in Washington State, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of standard of care in disputes involving traffic control devices and roadway lighting.