Traffic Engineering Expert Witnesses

Traffic engineering expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on traffic engineering. The traffic engineering expert witness listings on this page are typically from fields/areas of expertise such as: Civil Engineering, Construction Defects, Engineering, Premises Liability, Safety, Traffic Engineering, and Transportation.

Christine E. Carrigan, P.E., PhD RoadSafe, LLC

Arizona
Civil Engineering, Transportation - Trucking, Guardrail, Barrier, Highway Design, Highway Safety, ISPE, Bridge railing, Traffic Safety, Cable Barrier, Concrete Barrier, Guardrail ends/terminals, Traffic engineering, Construction Engineering, Traffic control, tree crash, pole crash, Highway construction, Run off road crash, Safety
• Experienced expert, serving clients nationally . • PhD in civil engineering with a focus on highway safety and a registered Professional Engineer in 15+ states. • Special focus on roadside safety and highway design. • Published in peer-reviewed literature, conference proceedings books, monographs, and trade publications. National speaker and instructor. • Member of the Transportation Research Board Committee on Roadside Design and past president of the Maine Society of Professional Engineers. • Hands on experience designing a variety of highway and intersection improvements. • Roadside and highway safety research funded by the National Academy of Science’s National Cooperative Highway Research Program (NCHRP), the Federal Highway Administration (FHWA), and a variety of other government and industry sponsors. • Established design guidance for inclusion in publications such as the AASHTO Roadside Design Guide and the AASHTO LRFD Bridge Specification and developed models for quan...

Scott Kelley Greenlight Traffic Engineering

Peoria, Arizona
Traffic Engineering, Transportation - Traffic Safety, Pedestrian Safety, Bicyclist Safety, Traffic Crash Litigation, Transportation Engineering, Transportation Planning, Traffic Engineering, Bicycle & Pedestrian Planning, Roadways, Highways, Drainage, Tort Liability, Roadside Safety
Scott Kelley is a licensed professional engineer (PE), Civil, and certified professional traffic operations engineer (PTOE). He has 20 years of traffic engineering experience in all facets of the practice including planning, design, operations, maintenance, consulting, and training. Scott’s experience includes Design Concept Reports (DCRs), traffic impact studies, strategic transportation safety plans (STSPs), road safety audits (RSAs), traffic safety studies, all-way stop-control warrant and traffic signal warrant studies, ADA compliance studies, intersection alternatives analysis, traffic signal timing and progression analysis, traffic simulation and visualization modeling, life-cycle cost analysis, benefit-cost analysis, intersection horizontal geometrics, bike and pedestrian design; traffic control, signing, pavement marking, traffic signal, and lighting design. In addition, Scott has led several large-scale asset management projects that have moved agencies into compliance with...

Shakir R Shatnawi, PhD, PE Shatec Engineering Consultants

El Dorado Hills, California
Traffic Engineering, Construction Defects - Highway design, traffic engineering, construction defects, parking, pavement design, traffic safety, asphalt, concrete, soil, maintenance, roadway defects, traffic control, pedestrian, bicycle, motorcycle, vehicle accidents, ADA, work zone safety, trip&fall accidents, MUTCD, hydroplaning, walkways
Dr. Shakir Shatnawi is a licensed professional engineer with over 30 years of professional engineering experience as follow: 2010-Present: President /Shatec Engineering Consultants, LLC, El Dorado Hills, CA, California 1991-2010: From Transportation Engineer to Division Chief (progressive promotions)/California Department of Transportation (Caltrans): D-10 (Stockton), District 4 (Oakland), and Headquarters (Sacramento), California. 1993-1999: Adjunct Professor/California State University, Sacramento, California. 1997-1999: Adjunct Professor/National University, Sacramento, California 1989-1990: Research Fellow/Turner-Fairbank Highway Research Center, Federal Highway Administration (FHWA), McLean, Virginia. Dr. Shakir Shatnawi is an expert witness related to the following : • Highway Engineering, Transportation Engineering & Parking design • Pavement standards, construction, maintenance and repairs • Construction defects, failures, specifications, & disputes • Traffic Enginee...

Carl Berkowitz, PhD, PE Forensic Engineering Institute

Delray Beach, Florida
Transportation, Safety - Slip Trip & Fall, Pedestrian & Bicycle Safety, Railroad Safety, Bus Safety, Biomechanics & Human Factors, FELA & OSHA, Elevators & Escalators, Traffic Engineering, Transportation Engineering, Transportation Safety, Transportation Rules & Regulations, Transportation Expert Witness
Dr. Carl Berkowitz has held various managerial and administrative positions in the transportation industry, government, private and academic sectors. Dr. Berkowitz has extensive multi-modal experience in planning, design, engineering, safety, security, construction, maintenance, operations and management. Dr. Berkowitz has written and edited numerous reports, studies, articles and columns for major publications, journals, newspapers and scholarly periodicals. He is a Professional Engineer in New York and New Jersey, and a member of the American Institute of Certified Planners; American Planning Association; American Society of Civil Engineers (Fellow, Transportation Education and Safety Committees); Association of Pedestrian and Bicycle Professionals; Institute of Transportation Engineers; American Society of Safety Engineers; National Association of Railroad Safety Consultants and Investigators; American Society of Transportation and Logistics; American Railway Engineering and Main...

Christine E. Carrigan, P.E., PhD RoadSafe, LLC

Florida
Civil Engineering, Transportation - Trucking, Guardrail, Barrier, Highway Design, Highway Safety, ISPE, Bridge railing, Traffic Safety, Cable Barrier, Concrete Barrier, Guardrail ends/terminals, Traffic engineering, Construction Engineering, Traffic control, tree crash, pole crash, Highway construction, Run off road crash, Safety
• Experienced expert, serving clients nationally . • PhD in civil engineering with a focus on highway safety and a registered Professional Engineer in 15+ states. • Special focus on roadside safety and highway design. • Published in peer-reviewed literature, conference proceedings books, monographs, and trade publications. National speaker and instructor. • Member of the Transportation Research Board Committee on Roadside Design and past president of the Maine Society of Professional Engineers. • Hands on experience designing a variety of highway and intersection improvements. • Roadside and highway safety research funded by the National Academy of Science’s National Cooperative Highway Research Program (NCHRP), the Federal Highway Administration (FHWA), and a variety of other government and industry sponsors. • Established design guidance for inclusion in publications such as the AASHTO Roadside Design Guide and the AASHTO LRFD Bridge Specification and developed models for quan...

Christine E. Carrigan, P.E., PhD RoadSafe, LLC

Canton, Maine
Civil Engineering, Transportation - Trucking, Guardrail, Barrier, Highway Design, Highway Safety, ISPE, Bridge railing, Traffic Safety, Cable Barrier, Concrete Barrier, Guardrail ends/terminals, Traffic engineering, Construction Engineering, Traffic control, tree crash, pole crash, Highway construction, Run off road crash, Safety
• Experienced expert, serving clients nationally . • PhD in civil engineering with a focus on highway safety and a registered Professional Engineer in 15+ states. • Special focus on roadside safety and highway design. • Published in peer-reviewed literature, conference proceedings books, monographs, and trade publications. National speaker and instructor. • Member of the Transportation Research Board Committee on Roadside Design and past president of the Maine Society of Professional Engineers. • Hands on experience designing a variety of highway and intersection improvements. • Roadside and highway safety research funded by the National Academy of Science’s National Cooperative Highway Research Program (NCHRP), the Federal Highway Administration (FHWA), and a variety of other government and industry sponsors. • Established design guidance for inclusion in publications such as the AASHTO Roadside Design Guide and the AASHTO LRFD Bridge Specification and developed models for quan...

Richard F Beaubien, PE, PTOE Beaubien Engineering

Troy, Michigan
Engineering, Transportation - Traffic Engineering, Traffic control, Road Safety, Roadway Design, Traffic Impacts, Intelligent Transportation Systems, Traffic Incident Management
Mr. Beaubien knows roads. His 44 years of professional experience include projects in both rural and urban settings: municipal traffic engineering, transportation planning, highway design, traffic system operations, right-of-way acquisition, and Intelligent Transportation Systems. In addition to his extensive project work, he has court testimony experience. Mr. Beaubien is a registered professional engineer in several jurisdictions. He has been certified as a Professional Traffic Operations Engineer (PTOE) by the Transportation Professional Certification Board, Washington, D.C. He is also certified as a Road Safety Professional (RSP). He currently chairs the Metro Detroit Incident Management Coordinating Committee, is a Past-President of the Intelligent Transportation Society of Michigan, and is a past International President of the Institute of Transportation Engineers. As frequent public speaker on traffic safety topics, Mr. Beaubien takes high-level traffic engineering...

Daren E Marceau, P.E. Forensic Traffic Specialists, PLLC

Cary, North Carolina
Traffic Engineering, Transportation - sight distance, stop sign, pavement marking, traffic engineer, MUTCD, traffic signal, red light, traffic control device, traffic sign, pavement marking, red light crash, stop light crash, AASHTO, sight line, sight triangle, work zone, traffic expert, roadway safety, traffic safety, railroad crossing
Daren Marceau is a former police officer and is a practicing traffic & transportation engineer licensed in several states. Mr. Marceau managed an engineering design practice at a national consulting firm where he prepared transportation and traffic engineering plans including designs for intersections, work zones, traffic signals, pavement marking, and roadway signs. He also investigated and reconstructed hundreds of traffic crashes, and testified as an expert witness. Daren Marceau currently serves attorney clients as a consultant and expert witness, and teaches classes for law enforcement, engineering, insurance, and legal professionals. He is also the leading author on traffic signal crashes. Mr. Marceau works in all 50 states. Mr. Marceau's current focus is investigating and providing expert testimony in traffic crash cases involving traffic control devices and/or sight distance issues in both final and temporary/work zone conditions. Mr. Marceau also has significant pers...

Keith A. Bergman, PE Bergman Engineering, LLC

Harleysville, Pennsylvania
Premises Liability, Traffic Engineering - Accident Reconstruction, Civil Engineering, Codes and Standards, Construction, Highway and Street Design, Job-Site Safety, Motor Vehicle Accidents, Premises Liability, Slip Trip and Fall, Transportation, Traffic Engineering, Walkway Surface and Pavement Evaluation
Our mission: Bringing clarity to complexity. Bergman Engineering is a forensic engineering firm that provides objective investigative analysis and consulting services as well as expert witness testimony. Hired for our expertise, we utilize our knowledge and experience to evaluate cases and claims with regard to civil engineering concepts. This can extend to a number of different practice areas for both plaintiff and defense counsel. Our case experience ranges from small private claims to large civil claims. We have consulted in complex claims and litigation on behalf of corporations, attorneys, insurance companies, and municipal/government agencies. Certified Professional Engineer: California, Delaware, Florida, Illinois, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania and Virginia.