The official answer according to the FMCSA and the D.O.T. is “no.” However, common practice is to allow between 50-100 lbs in the trunk or out the line sight. This is really at the discretion of your carrier, though, as they risk hefty fines and lengthy inspections for carrying anything but motor vehicles.
victoriaRuiz December 15th, 2015
Can I put things in the vehicle?