Experienced expert (30+ years) professional experience in traffic engineering, roadway engineering, and civil engineering, including roadway design, standards of care, speed requirements and driver reaction, roadway safety, traffic control devices, expertise in the Manual on Uniform Traffic Control Devices (MUTCD), road defects, roadside hazards and obstruction. Parking design, ADA, water drainage and slip/fall. Accident reconstruction - motorcycle, bicycle, car; road standards - curves, sight distance and clear recovery. Construction defects and work zone traffic control; pavement and geotechnical standards, maintenance and repairs; roadway materials.