Traffic Control Expert Witnesses

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, Access Management, Traffic Control, Signal Timing

Scott Kelley is a licensed professional engineer (PE), Civil, and certified professional traffic operations engineer (PTOE). He has 23 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...

Rancho Santa Margarita, California

Accident Reconstruction, Police Practices & Procedures - Cars, SUV, light trucks, pedestrians, motorcycles, bicycles, scooters, Bosch CDR EDR Tool, black box, Tesla, Hyundai, Kia, traffic control, Code 3 driving, emergency vehicle operations, police pursuit driving, police practices & procedures, DUI FSTs, DUI arrests, TV and media consulting

Provides forensic analysis and litigation support to attorneys, insurance companies and municipalities in the field of accident reconstruction. Has qualified as a court recognized expert in traffic accident reconstruction for jury trials in Orange, Los Angeles and Riverside Counties. Has performed work in many other jurisdiction including Rimini, Italy. Has been practicing accident reconstruction since 1999 and collision investigation since 1989. Has worked privately for criminal prosecution & defense as well as civil plaintiff & defense. Also teaches intro to criminal law, traffic enforcement, DUI investigations, field sobriety tests & arrests at a Southern California based police academy. Retired after 30 years of service from the Irvine (CA) Police Department in November of 2019 where he was assigned to the Field Operations Division as a Detective responsible for traffic-related cases. Worked as the “Team Leader” for the Irvine Police Department’s M.A.I.T. (Major Accident...

El Dorado Hills, California

Traffic Engineering, Construction Defects - Highway design, hydroplaning, walkways, 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

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...

Canton, Maine

Civil Engineering, Transportation - Rollover, Guardrail, Barrier, Highway Design, Highway Safety, ISPE, Bridge pier/column, Traffic Safety, Cable Barrier, Concrete Barrier, Guardrail ends/terminals, Traffic engineering, Construction Engineering, Traffic control, Tree/Pole crash, Clear Zone, Highway construction, Run off road crash, Lane departure, Roadway departure

• Experienced expert, serving clients nationally . • PhD in civil engineering with a focus on highway safety and a registered Professional Engineer in 14+ states. • Special focus on roadside safety and highway design. • Published in peer-reviewed literature, 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. • Member of the National Society of Professional Engineers Ethics Review Board • 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 B...

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...

Cary, North Carolina

Traffic Engineering, Transportation - sight distance, stop sign, pavement marking, traffic engineer, MUTCD, traffic signal, red light, traffic control device, traffic sign, 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...