1. Flashing lights and neon vests;Anonymous;Roads & Bridges,2005
2. Bureau of Labor Statistics, 2009. Injuries, Illnesses, and Fatalities (IIF) Program. (accessed 15.12.09).
3. Bureau of Labor Statistics, 2010. Injuries, Illnesses, and Fatalities (IIF) Program. (accessed 13.06.10).
4. Center for Disease Control and Prevention (CDC), 2010. A Construction Inspector Dies after Being Backed Over by a Ten-wheel Asphalt Dump Truck. (accessed 27.08.10).
5. Costs of accidents and injuries to the construction industry;Everett;Journal of Construction Engineering & Management,1996