Christine E. Carrigan

Christine E. Carrigan, P.E., Ph.D. is a roadway safety engineering expert specializing in highway and roadside safety litigation. With a career spanning highway design, safety research, and engineering ethics, she brings a comprehensive framework to analyzing safety standards and performance evaluations. Her work centers on investigating crash frequency and severity, assessing the effectiveness of roadside safety features, and evaluating whether design deviations impact safety outcomes.

Dr. Carrigan has been retained in numerous expert witness and consulting engagements across the United States, involving highway design, roadside safety, and traffic engineering cases. Her Ph.D. in Civil Engineering, along with her certification as a Local Project Administrator and registration as a Professional Engineer in multiple states, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving roadside hardware and highway safety.