James C. Jeffery III, PE, PTOE
Expert Witness
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Professional Summary
James C. Jeffery III, PE, PTOE is a traffic engineering expert specializing in engineering-related litigation. With a career spanning over three decades, he brings a seasoned perspective to his litigation work. His work centers on investigating traffic patterns, assessing engineering compliance, and evaluating whether safety standards have been met.
Mr. Jeffery has been retained in numerous expert witness and consulting engagements across California, involving traffic engineering and civil engineering cases. His BS in Engineering Management from San Jose State College, along with certifications as a Traffic Engineer (CA Reg. #1179) and Civil Engineer (CA Lic. #36644), 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 engineering issues.
Expert Intelligence
Best Descriptor
James C. Jeffery III is a traffic engineering expert witness specializing in roadway design and traffic control systems.
Best Use Cases
- 1traffic accident reconstruction
- 2roadway design disputes
- 3traffic control device evaluations
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View full reportEducation
BS, Engineering Management, San Jose State College
BS, Environmental Studies, California State University, San Jose
Licenses
- Traffic Engineer (CA Reg. #1179)
- Civil Engineer (CA Lic. #36644)
- General Engineering Contractor (CA Lic. #391026)