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Expert has extensive experience in pavement and transportation engineering. He has over 25 years of
experience. His expertise includes pavement design,asphalt pavements, concrete pavements, asphalt, concrete, materials, maintenance, preservation, rehabilitation and construction. He has strong expertise in construction specifications, construction materials, construction disputes, construction defects, construction quality control & quality assurance (QC/QA), pavement cracking, premature failures, concrete cracking, asphalt properties, failure analysis, forensic investigations, inspection, surface condition assessment, roadway surface defects in relation to vehicle, bicycle and motorcycle accidents, friction, skid resistance, potholes. road hazards, pavement edge-drop off, site development.

Expert has extensive public works experience including working at California Department of Transportation (Caltrans) and Federal Highway Administration (FHWA) and has provided professional and legal support to contractors.

He taught at Califonia State University and at National University and provided training to contractors and public agency personnel. He has participated on national and international expert groups. He is a member of the Forensic Expert Witness Association. He published many technical papers and chaired major conferences. Expert is currently working as a consultant and he is president of his engineering consulting firm.

Expert has extensive experience in traffic engineering and transportation engineering as well as in pavements. He has over 25 years of professional experience. He has strong expertise in highway design, traffic safety, standards, specifications, geometric design manuals, traffic manuals, Manual of Uniform Traffic Control Devices, MUTCD, control devices, traffic engineering plan, roadway surface defects, passenger vehicle accidents, bicycle accidents, motorcycle accidents, truck loading, truck configuration, friction, skid resistance, crash cushions, potholes. road hazards, recovery areas, sight obstruction, roadside hazards, speed requirements, highway curves and superelevation, highway drainage, maintenance, pavement design, materials, code violations, site inspection, guardrail, utility cuts, pavement defects, and pavement edge-drop off.

Expert has extensive public works experience including Caltrans and FHWA. He taught at Califronia State University and at National University and provided training to contractors and public agency personnel. He has participated on national and international expert groups and is a member of the Forensic Expert Witness Association. He published many technical papers and reports.

Expert provided pavement management services to the County of Sacramento. This work entailed pavement network evaluation of pavement distress, prioritization, strategy selection and budget allocation for various scenarios. Expert provided evaluation of premature concrete pavement distress, identified causes and assisted the contractor successfully in a dispute resolution process resulting in $5 million dollar savings to the contractor. Expert assisted an attorney as an expert witness on a major automobile accident case on a California urban freeway. Expert reviewed the accident site, evaluated opposing testimonies, review technical documents, reviewed safety manuals, plans and specifications. His efforts resulted in a substantial multimillion dollar settlement.He provided expert witness services on a variety of cases involving motorcycle accidents that related to highway safety and hazardous conditions. Expert provided evaluation of various innovative pavement technologies and assisted clients in their value propositions.