1. Occupational Safety and Health Administration OSHA (2022, September 12). Recommended Practices for Safety and Health Programs, Available online: https://www.osha.gov/safety-management.
2. U.S Department of Transportation. (n.d.) (2022, September 10). State DOT’s Responsibilities, Available online: https://www.transportation.gov/civil-rights/civil-rights-awareness-enforcement/state-dots-responsibilities.
3. U.S. Department of Transportation (U.S. DOT) (2022, September 10). U.S. Department of Transportation Administrations, Available online: https://www.transportation.gov/administrations.
4. Al-Shabbani, Z., Sturgill, R.E., and Dadi, G.B. (2017). Safety Concepts for Workers from an OSHA Perspective, Kentucky Transportation Center, University of Kentucky. No. KTC-17-14/SPR15-508-1F.
5. Hancher, D.E., Bussey, K., Meagher, R., Ross, J., and Smith, K. (2022, September 15). Improve Safety of Workers during Highway Construction and Maintenance, Available online: https://rosap.ntl.bts.gov/view/dot/21687.