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Home: Practices: Vehicle Engineering:Vehicle Evaluation & Testing

Our engineers’ education and experience in a broad range of technical disciplines enables us to analyze complex accidents involving the wide range of commercial vehicles, fleet vehicles, and utility equipment.

Our services include:
Accident investigation & reconstruction Articulated vehicle dynamics and braking systems
Vehicle and vehicle combination testing & evaluation Product/component testing & evaluation
Vehicle/equipment specification evaluation Occupant kinematics & injury analysis
Maintenance regulations & evaluation Human performance assessment
Driver regulations Risk analysis
Environmental procedure evaluation Design analysis
OSHA safety procedure evaluation Crash testing
Hazardous material procedures evaluation Product development

Our clients rely on us to determine what happened in an accident and why it happened. In many cases, they also want us to discover what could have been done to prevent the accident, reduce its severity, or reduce the injuries to those involved. Exponent performs thorough analyses to develop a sequential "history" of the accident that is consistent with the physical evidence. Our analytical procedure consists of a series of systematic steps that include reviewing documents, identifying technical issues, and documenting the physical evidence by conducting scene, vehicle, and component inspections. Our Early Response Accident Investigations provide factual information regarding fleet vehicle accidents. The primary purpose of these fact-gathering inspections is to develop the technical information necessary to permit the client to make a meaningful assessment of the accident in the preliminary stages of investigation. A preliminary technical evaluation after such an inspection would include possible causes of the accident, contributing factors, and other potential issues that could be raised, and would document and preserve the physical evidence.
Along with more conventional accident reconstruction techniques, Exponent uses state-of-the-art, three-dimensional computer simulation and analysis software, full-scale vehicle testing, and practical experience gained from conducting crash, vehicle handling, braking, and component tests to determine the crash and occupant dynamics in single- and multi-vehicle accidents. Our engineers’ education and experience in a broad range of technical disciplines enables us to analyze complex accidents involving the wide range of commercial vehicles, fleet vehicles, and utility equipment.

Exponent’s engineers are experienced in the distinctive characteristics of articulated vehicles and tow vehicle/trailer combinations, and the applicable regulations, standards, and industry practices. We have conducted and evaluated hundreds of tests with articulated vehicles, systems, and components.

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