Q. Questions about trucking regulations
For answers to your questions about trucking regulations, please contact the Federal Motor Carrier Safety Administration (FMCSA) field office nearest you. A list of FMCSA Field Offices by state can be found here.
Motor carrier federal regulations can be found in 49 CFR Chapter III.
The FMCSA home page is http://www.fmcsa.dot.gov.
You can explore the FMCSA Frequently Asked Questions site and submit a question via the web form by clicking here. You can also call FMCSA at 1-800-832-5660 between 8:00 a.m. and 8:00 p.m. Eastern Time.
It would probably be a good idea to also check with your state or local authorities to see if there are regulations set by these groups that you should be aware of.