Traffic Control Expert Witnesses

Traffic control 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 control. The traffic control expert witness listings on this page are typically from fields/areas of expertise such as: Civil Engineering, Construction Defects, Engineering, Failure Analysis, 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...

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...

Andrae L. Holliday, MSCE,MBA,DTh Solution Engineering Group

Montgomery, Illinois
Civil Engineering, Failure Analysis - Construction Design Failures, Drainage, Earthmoving/Mining/Paving Equipment, Parking Lot Design and Maintenance, Excavation and Embankment, Bridge Design, Retaining Walls, Construction Management Issues, Highway and Roadway Design, Lighting, Signage, Traffic Control, Bituminous and Concrete Pavement
Andrae Holliday is a Civil Engineer Expert for Solution Engineering Group. He consults on all aspects of construction management and design; highway rehabilitation and construction; highway/roadway design; earthmoving/mining/paving equipment use and dealer training; and conducts expert inspections for roadway, parking lot, and construction matters. Some practice areas include excavation and embankment, bituminous and concrete pavement, retainage walls, drainage, building construction, bridge substructure and superstructure, intersection design and construction, lighting, signing, surveillance, traffic control, and landscaping. He has over twenty-five years of experience with construction management, field inspections, commercial planning, and engineering design. Leveraging that decades-long background, he is especially skilled at running an investigation that encompasses complex technical issues with the goal of determining why an event happened the way it did. Dr. Holliday is pas...

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...