Hours of service expert witnesses may write reports and testify on trucking, the trucking industry, and trucking and transportation rules and regulations. The DOT website states that most drivers must follow the HOS Regulations if they drive a commercial motor vehicle.
The Hours of Service of Drivers Final Rule was published in the Federal Register on December 27, 2011. The effective date of the Final Rule is February 27, 2012, and the compliance date of selected provisions is July 1, 2013.
Read more: http://www.fmcsa.dot.gov/