The content of this website is only for the informational use of the reader. Information contained herein is not intended as, nor does it constitute, legal or professional advice, nor is it an endorsement of any source cited or information provided. In no event will Virginia Tech, Virginia Tech Transportation Institute, or any of its subsidiaries and affiliates be liable in contract or in tort to anyone who has access to this publication for the accuracy or completeness of the information relied upon in the preparation of this publication or for the completeness of any recommendations from cited sources. Readers should consult source articles for more detail.

The information presented in this Website and accompanying modules is based on the most current information available at the time of publication. Every attempt has been made to provide this material accurately and in an easy-to-understand format. Please understand that all the variables posed by on-the-job application of this information cannot be covered.

Users of this website should not disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through the CMV Driving Safety website. Additionally, the materials provided related to hours of service are not intended to replace or override the Federal Motor Carrier Safety Administration regulation on hours of service (49 C.F.R. Part 395) or the Canadian regulation on hours of service.   Commercial motor carriers and drivers regulated by the FMCSA and Canada have a duty to know and comply with the FMCSA and Canadian hours of service regulation.