Highway Design, Traffic Engineering, and Accident Reconstruction Expert. Roadway Design, Maintenance, and Traffic Control Defects. Railroad Crossing Safety. Construction Zone Safety. Pavement Edge Drop Off Effects. Vehicular Hydroplaning /
Keywords: Accident reconstruction, traffic, highway, roadway, safety, design, control, devices, intersection, john c. glennon, defects, maintenance, engineering, railroad, grade, guardrail, barrier, sign, transportation, marking, crossing, workzone, work, zone, construction, clear, roadside, pavement, edge, drop, dropoff, drop-off, hydroplaning, sight, distance, stopping, expert, witness /