DOT Regulations

The U.S. DOT requires that all commercial motor vehicles with a gross vehicle weight rating more than 10,001 pounds undergo and inspection every year. This is conducted in order to make sure all parts and accessories of the vehicle are in good working order. Some states also require that all registered vehicles be inspected through mandatory programs.

For more information visit

Canada’s transportation system is managed by Transport Canada. Visit for more information.

Internationally, transportation systems vary greatly by country.

Here are the U.S. DOT Regulations that are most relevant to the portable sanitation industry:

Additional information related to the industry about U.S. DOT regulations can be found in the PSAI Industry Resource Directory, available in print and online for PSAI members in the Industry Resource Library.

Log in to the
Industry Resource Library