Traffic Engineering Expert Witnesses

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What is a traffic engineering expert witness?

Traffic engineering expert witness candidates typically have professional experience with areas of expertise in accident reconstruction, transportation engineering, biomechanics, construction management, highway safety, highway engineering, and/or are Professional Traffic Operations Engineers® (PTOE). The chosen expert may be a member of an industry organization such as the Institute of Transportation Engineers (ITE).

What types of cases require a traffic engineering expert witness?

Traffic engineering expert witnesses can provide litigation support for matters related to traffic design and traffic safety. Cases that require expert opinions in roadway lighting, vehicle mechanics, traffic signals/signs, and/or roadway drainage can assist in varied transportation and traffic accident matters. Cases may be civil or criminal and require not only expertise but the ability to communicate findings for ease of understanding.

Traffic engineering expert witness case examples

Cahn Litigation Services has many years of experience sourcing experts to provide litigation support for traffic related matters. Exemplary matters have encompassed:

• traffic accident in rural Pennsylvania,
• New York City roadway design,
• Occupational Safety and Health Administration (OSHA) regulations,
• traffic impact simulations,
• temporary traffic control,
• California traffic safety,
• work zone traffic control,
• sight distance impact study in North Carolina,
• personal injury case involving work zone safety,
• Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD),
• Michigan highway design,
• guardrail installation,
• motor vehicle traffic signal malfunction in Arizona,
• Illinois parking lots and pavement marking, and
• commercial vehicle accident reconstruction in Florida.

What litigation support work might a traffic engineering expert witness be expected to perform?

Expert witness services could include failure analyses, forensic engineering, traffic accident reconstruction, research and authoring expert reports, providing expert opinions, depositions, and expert witness testimony in court. In addition, clients may seek a transportation systems or traffic engineering expert for pre-litigation consulting services.

Cahn Litigation Services has the experience required to turn a search for a traffic engineering expert witness around quickly, providing the right balance of expertise and testimony experience.

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Traffic Engineering Expert Witness - Representative Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Traffic Engineering experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Traffic Engineering landscape.

• Expert Witness #246516

  This expert is a transportation and traffic engineering expert with extensive multi-modal experience in planning, design, engineering, safety, security, construction, maintenance, operations and management, who has served as a litigation consultant for many years. This expert holds a Bachelor's Degree in Civil Engineering, a Master's Degree in Transportation Planning, and a Ph.D. in Transportation Planning and Engineering.

  This expert has written and edited numerous reports, studies, articles and columns for major publications, journals, newspapers and scholarly periodicals. This expert is a Professional, and a member of the American Institute of Certified Planners, 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 Maintenance of Way Association (Committees 11 and 12, Facilities and Structures Subcommittee), American National Standards Institute, ASTM International (Committee F13 - Pedestrian/Walkway Safety), American Public Transportation Association, Human Factors and Ergonomics Society and The Charter Institute of Logistics and Transport (UK).

  This expert has the background and experience to be ideally suited to contribute important information at every stage in the litigation process. This expert has the ability to explain complex issues in layman terms, suggest strategies, investigate and uncover facts, perform literature reviews, research, and prepare safety evaluations. This expert is frequently consulted at the initial stages of a potential litigation for impartial input that can make the crucial difference between success and failure. As a transportation and traffic expert, this expert is able to assess the technical merits of a case and advise the client if the action is worth pursuing.

  
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• Expert Witness #253907

  This expert is a Professional Engineer and founder of a highly recognized consultancy specializing in traffic engineering/signing projects. This expert is a Nationally-recognized expert in traffic engineering and traffic control devices as well as a leader in the development of traffic engineering standards and guidelines. A member of the National Committee on Uniform Traffic Control Devices and a Member of the Transportation Research Board Standing Committee on Traffic Control Devices (AHB50), this expert has served as Project manager for eight major freeway signing projects and numerous smaller projects. This expert is a chapter author of multiple books, and the creator, designer, and owner of a website recognized internationally as a premier website for US traffic sign information and standards. This expert has served as an expert witness on behalf of a DOT, under the auspices of the State Attorney General's Office extensively and has been deposed numerous times.

  
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• Expert Witness #250611

  This expert has been working on navigation/positioning systems and GPS-based consumer-oriented systems. This expert worked on developing location and navigation technology to support both safety applications and consumer applications, such as routing to various points of interest. This expert was also working with "real time" data from vehicles to identify places of interest as well as changes to routes and incidents that would impact travel. This expert was also very aware of the capabilities of hand-held units. This expert’s work has been deeply involved in the development of navigation systems for vehicles, and the interaction of those systems with infrastructure, such as traffic information providers.

  This expert has been working as an expert witness on various IP matters and has written over 40 reports and been deposed 8 times. Most of this expert’s work has involved "connected vehicles," or "connected navigation systems" almost all of which disclose various "hybrid" navigation techniques integrating data from the device and infrastructure. This expert has worked on several matters related to navigation displays in vehicles and on smartphones, management of vehicle fleets, mechanisms for determining traffic information and utilizing that information for navigation, and various uses for navigation systems in e-commerce or finding and routing to dynamic locations. Several patents this expert has worked with address navigation for shopping applications.

  
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• Expert Witness #246526

  This traffic engineering expert has worked in traffic engineering and transportation planning for over 30 years and is the principal consultant of a traffic safety engineering consulting firm.

  This expert is a licensed Traffic Engineer, Civil Engineer, General Engineering Contractor, and Professional Traffic Operations Engineer. This expert is also a life fellow of a prominent professional transportation engineering association and has served for a number of years as a regional traffic/transportation engineer for a regional governmental planning association and as a consulting city traffic engineer for a municipal government.

  This expert has extensive testifying experience.

  
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• Expert Witness #279041

  This traffic engineering expert is a registered Civil Engineer in multiple states and a Professional Traffic Operations Engineer (PTOE) with over 20 years of experience developing traffic engineering planning, design, operations, and maintenance projects, as well as providing research, training, and expert witness services for tort liability cases. This expert is a creative problem solver with a track record of finding opportunities to provide value to clients.

  This expert'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. This expert has also led several large-scale asset management projects that moved agencies into compliance with federal requirements for various traffic control and pedestrian facilities, including signing retro-reflectivity, pavement marking retro-reflectivity, and pedestrian signal indications. This expert has provided litigation expert witness services for cases in several states.

  
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• Expert Witness #282246

  This traffic safety expert has over 40 years of experience in civil engineering, transportation planning, traffic engineering, and accident reconstruction, and is a licensed Professional Engineer in multiple states.

  Career work has included serving as engineer-in-charge or principal project engineer on numerous transportation and civil engineering projects, including traffic safety studies, accident investigations and reconstructions, traffic circulation and parking studies, environmental impact studies, bridge and highway design, construction and maintenance projects, and computer-based design of transportation systems.

  This expert has developed computerized sign structure and traffic signal design programs and systems, as well as accident reconstruction manuals and tools. This expert has also completed flagger training, has been qualified by courts as an expert in numerous cases involving flaggers, and is familiar with flagger training requirements and OSHA safety standards applicable to flagging operations.

  
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• Expert Witness #292035

  This traffic engineering expert holds BSCE, MBA, and PE credentials and is a Professional Engineer with over 45 years of experience in transportation and traffic engineering.

  This expert has extensive design and construction experience involving residential, commercial, and municipal facilities, with specialization in roadway and infrastructure design and construction, and has previous expert witness experience.

  
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• Expert Witness #292149

  This traffic engineering expert holds a Master of Engineering in Civil Engineering with a specialization in Transportation and has worked in the transportation field for consulting firms, a state transportation agency, and a municipal government.

  In a municipal role, this expert designed and reviewed numerous traffic impact analysis studies and traffic control plans for roadway projects, developments, and special events.

  This expert is an experienced expert witness and litigation consultant.

  
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• Expert Witness #292164

  This traffic engineering expert is a P.E., PTOE, and RSP1 with over 30 years of experience in traffic engineering, including roles in both the private and public sectors. This expert has focused on traffic safety throughout this expert's career, has been trained in and led many Road Safety Assessments, and earlier in this expert's career led a team to identify and address high-crash intersections and roadway segments.

  This expert is certified as a Level 1 Road Safety Professional by a professional certification board and is a member of a municipal Vision Zero advisory committee. The committee provides recommendations to city staff and elected officials on traffic safety issues and on implementation of a Road Safety Action Plan.

  This expert is well versed in all components of traffic engineering, including traffic flow theory and traffic operational evaluations. This expert has expertise involving local streets, including managing a municipal traffic calming program and assisting other agencies with developing traffic calming programs as a traffic engineering consultant. This expert has served as an expert witness for a number of years while remaining actively engaged in conventional traffic engineering consulting work.

  
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• Expert Witness #297009

  This civil and traffic engineering expert is a licensed Professional Engineer and Traffic Engineer with over 30 years of experience in highway design, traffic safety, and highway construction and maintenance.

  This expert holds a B.Sc. in Civil Engineering and an M.Sc. in Industrial & Technical Studies/Engineering Management from a California public university.

  This expert worked for a state transportation agency and addressed highway design, traffic safety, construction, and maintenance issues for over 25 years of service. This expert has testified and qualified in court.

  
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• Expert Witness #297111

  This construction work zone traffic control expert is certified as a Construction Work Zone Traffic Control Designer and owns and operates a risk management firm providing traffic control, safety, forensic investigation, and accident-cause analysis services.

  This expert is certified as a construction work zone traffic control designer, supervisor, and technician by a recognized traffic safety services association and has held that certification for decades. Work has included designing traffic control plans and deploying hundreds of work zone traffic control projects.

  This expert is not an engineer, and engineering credentials are not necessarily required for evaluating work zone traffic control issues. Experience includes dozens of work zone traffic control cases across the United States and Canada, as well as expert witness and litigation consulting work.

  
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• Expert Witness #302861

  This traffic engineering expert has extensive transportation and master planning experience, including preparing traffic operations and safety studies for over 85 schools and colleges. This expert has prepared traffic and parking studies for major corporate fulfillment centers, vehicle facilities, and a regional office in California, and has extensive experience analyzing big data using transportation analytics platforms.

  This expert has a broad range of traffic engineering experience involving complex studies of traffic operations, public transportation, parking issues, construction traffic control, pedestrian and bicycle analyses, and development of transportation systems management (TSM) programs. This expert specializes in expert witness work.

  
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• Expert Witness #303880

  This traffic safety expert is a PE and Civil Engineer with over 40 years of experience in traffic engineering and safety.

  This expert has provided litigation support for plaintiff and defense counsel as well as insurance carriers for over 25 years, has been retained across the United States, and has testified at deposition and trial in state and federal court. Traffic engineering and safety have been central to this expert's career, including design, construction, and maintenance projects.

  
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• Expert Witness #304402

  This civil/traffic engineering expert is a registered Professional Civil Engineer and Certified Professional Traffic Operations Engineer with a Master's Degree in Civil (Traffic) Engineering and prior traffic engineering management experience with public transportation agencies.

  This expert has worked for city and county agencies and consulting firms and specializes in project management of traffic safety programs and projects, traffic safety and pedestrian studies, traffic operation studies, temporary traffic control at roadway construction projects, roadway capital improvement projects, traffic signals and signal systems, roadway tort work as an expert witness, traffic impact studies, and developing traffic element and roadway design manuals.

  This expert is an experienced expert witness and litigation consultant.

  
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