Author: Zachary R Doerzaph; Catherine C McGhee; Virginia Polytechnic Institute and State University. Transportation Institute.; Virginia Transportation Research Council.; Virginia. Dept. of Transportation.; et al
Author: James Roughton Certified Safety Professional (CSP); Canadian Registered Safety Professional (CRSP); Certified Hazardous Materials Manager (CHMM); MS in Safety Science; Past President of the Georgia Chapter of ASSE, Nathan Crutchfield Masters degree in Business Administration Georgia State University; Bachelor of Civil Engineering Technology Southern Technical Institute (now Southern Polytechnic State University Marietta Georgia).<br>Professional designations and affiliations: CSP (Certified Safety Professional); ARM (Associate in Risk Management; CPCU (Chartered Property and Casualty Underwriter); ARP (Associate in Research & Planning); Society of Chartered Property and Casualty Underwriters American Society of Safety Engineers (Professional Member); American Society of Training and Development