Daren E. Marceau, P.E.

Daren E. Marceau, P.E. is a traffic crash reconstruction expert specializing in traffic control devices, roadway design, and crashes involving pedestrians, bicycles, and motorcycles. With a career encompassing law enforcement, engineering design, and forensic analysis, he brings a multifaceted perspective to litigation work. His work centers on investigating traffic crashes, assessing roadway safety, and evaluating whether traffic control devices contributed to incidents.

Mr. Marceau has been retained in numerous expert witness and consulting engagements across the United States, involving traffic crash reconstruction and roadway safety cases. His Master of Science in Civil Engineering, along with certifications such as Certified Traffic Signal Technician (II) and Traffic Signal Inspector, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving traffic control devices and roadway design.