Traffic Safety Expert Witnesses

Traffic safety 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 safety. The traffic safety expert witness listings on this page are typically from fields/areas of expertise such as: Accident Reconstruction, Civil Engineering, Construction Defects, Engineering, Law Enf & Criminal Justice, Safety, Traffic Engineering, and Transportation.

Michael R Blankenship, PE Greenlight Traffic Engineering

Peoria, Arizona
Traffic Engineering, Transportation - Traffic Safety, Traffic Crash Litigation, Bicycle & Pedestrian Planning, Roadway, Transportation Engineering, Highways, Drainage, Pedestrian Safety, Tort Liability, Roadside Safety, Transportation Engineering, Transportation Planning
Mike has 35 years of traffic safety and leadership experience in all facets of traffic engineering including planning, design, operations, research, consulting, and training. His career focus has been on providing safety for all road users. He has provided technical assistance to improve bus, motorist, bicyclist and pedestrian traffic flow and safety on and around school properties. Mike has served as an expert witness on tort liability cases involving vehicle crashes. His design experience includes intersections, roadways, traffic signals, signing/pavement marking and parking lots. Mike has developed and taught workshops on Road Safety Audits (RSAs), Roadside Safety, Risk Management/Tort Liability, Incident Management, MUTCD, Work Zone Traffic Control, Traffic Calming, and Walkable Communities. Mike has developed policies and guidelines for state DOTs, including Arizona Department of Transportation (ADOT) pedestrian hybrid beacon warranting guidelines and a West Virginia DOT state...

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...

Michael R Blankenship, PE Greenlight Traffic Engineering

California
Traffic Engineering, Transportation - Traffic Safety, Traffic Crash Litigation, Bicycle & Pedestrian Planning, Roadway, Transportation Engineering, Highways, Drainage, Pedestrian Safety, Tort Liability, Roadside Safety, Transportation Engineering, Transportation Planning
Mike has 35 years of traffic safety and leadership experience in all facets of traffic engineering including planning, design, operations, research, consulting, and training. His career focus has been on providing safety for all road users. He has provided technical assistance to improve bus, motorist, bicyclist and pedestrian traffic flow and safety on and around school properties. Mike has served as an expert witness on tort liability cases involving vehicle crashes. His design experience includes intersections, roadways, traffic signals, signing/pavement marking and parking lots. Mike has developed and taught workshops on Road Safety Audits (RSAs), Roadside Safety, Risk Management/Tort Liability, Incident Management, MUTCD, Work Zone Traffic Control, Traffic Calming, and Walkable Communities. Mike has developed policies and guidelines for state DOTs, including Arizona Department of Transportation (ADOT) pedestrian hybrid beacon warranting guidelines and a West Virginia DOT state...

Daniel McLain DHM Crash Consulting & Accident Reconstruction Services, LLC.

Norco, California
Accident Reconstruction, Law Enf & Criminal Justice - Seat Belts, Airbags, Restraint Systems, Collision Analysis, Accident Causation, Crash Data Retrieval, Black Box, EDR, CDR Report Analysis, Tesla, Vehicle Inspection, Motorcycle, Pedestrian, Drone, Collision Reconstruction, Traffic Accident Reconstruction, Traffic Enforcement Strategy, Traffic Safety
A traffic collision reconstructionist accredited by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR), a sUAV (drone) pilot licensed by the Federal Aviation Administration, and have completed the accident reconstruction certificate program by the Society of Automotive Engineers (SAE). With over 27 years in law enforcement, I have extensive experience with on-scene collision investigations ranging from minor fender-benders to multi-fatal collisions. I have investigated and assisted in the prosecution of hit-and-run collisions, DUI collisions, insurance fraud, vehicular manslaughter, and vehicular murder cases. Recognized as a subject matter expert in both criminal and civil courts for my knowledge of accident reconstruction, accident investigation, and general traffic enforcement. I have over a thousand hours of training in accident reconstruction including but not limited to forensic mapping, pedestrian collisions, motorcycle collisions, emergency vehicle c...

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...

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...

Charles W Huffine, PE, PTOE, AICP CLH Associates LLC

Lakewood Ranch, Florida
Traffic Engineering, Safety - Sight distance, traffic signs, traffic congestion, traffic signals, traffic control devices, construction zones, traffic safety, ADA, bicycle, pedestrian, traffic calming, neighborhood traffic management
• 36 years of experience in traffic/transportation engineering and safety • Vice Chair of the Institute of Transportation Engineers (ITE) International Traffic Engineering Council (determines standards, practices and handbooks for the industry) • Experience as a City and County Traffic Engineer, including review, design and construction management of pavement, sidewalk, ADA ramps, traffic signal, bike lane, striping and marking, sign, construction zone, neighborhood traffic management, traffic signal timing, and traffic calming projects • Speaker at international, national, regional and local conferences and seminars • Instructor for four Institute of Transportation Engineers (ITE) webinars and several in-person courses on traffic and safety engineering • Graduate of Leadership ITE / ITE Fellow • Excellent writer in both technical and laymen terms • Experience in providing testimony for Town Councils and Planning Boards • Licensed Professional Engineer in several states and a Certif...

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...

James J Valenta, PE

Dexter, Michigan
Engineering, Accident Reconstruction - Highway Construction Zones, Hydroplaning Crashes, Crash Forensics, Roadway Design, Highway Clear Zones, Road Maintenance Defects, Traffic Safety, Traffic Controls, Pavement Markings, Guardrails, Pedestrians, Bicycles,
Over 49 years experience in highway safety research, highway design, roadway maintenance defects, traffic safety, traffic accident reconstruction, and crash data analytics. Expert in over 300 lawsuits in 28 states since 1996 including hydroplane and wet weather crashes, construction zone and intersection collisions.

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...

Michael R Blankenship, PE Greenlight Traffic Engineering

South Carolina
Traffic Engineering, Transportation - Traffic Safety, Traffic Crash Litigation, Bicycle & Pedestrian Planning, Roadway, Transportation Engineering, Highways, Drainage, Pedestrian Safety, Tort Liability, Roadside Safety, Transportation Engineering, Transportation Planning
Mike has 35 years of traffic safety and leadership experience in all facets of traffic engineering including planning, design, operations, research, consulting, and training. His career focus has been on providing safety for all road users. He has provided technical assistance to improve bus, motorist, bicyclist and pedestrian traffic flow and safety on and around school properties. Mike has served as an expert witness on tort liability cases involving vehicle crashes. His design experience includes intersections, roadways, traffic signals, signing/pavement marking and parking lots. Mike has developed and taught workshops on Road Safety Audits (RSAs), Roadside Safety, Risk Management/Tort Liability, Incident Management, MUTCD, Work Zone Traffic Control, Traffic Calming, and Walkable Communities. Mike has developed policies and guidelines for state DOTs, including Arizona Department of Transportation (ADOT) pedestrian hybrid beacon warranting guidelines and a West Virginia DOT state...