I would also require the renter to provide a driver’s license, insurance information, tow vehicle year/make/model, tow rating, hitch rating, and brake-controller information before pickup. • Maximum speed while towing: 55 mph, even where cars can travel 65 or 70 mph. -On a multi-lane highway, vehicles towing trailers generally must stay in the right lane; on highways with four or more lanes in the same direction, towing vehicles are generally limited to the two rightmost lanes. -Safety chains are required for conventional travel trailers. California DMV recommends crossing them in an “X” under the hitch. -A trailer weighing 1,500 pounds or more generally needs a functioning breakaway system as described by the DMV. -For an ordinary travel trailer, nobody should ride inside while it is being towed. California has a limited exception for certain properly equipped fifth-wheel trailers. -The renter's tow vehicle must be capable of safely handling the trailer's weight, and the hitch/towing equipment needs to be appropriately rated. DMV specifically emphasizes checking weight ratings, hitch setup, brakes, tires, and connections. -California law specifically states that when a towable recreational vehicle is leased or rented, the renter/lessor must provide instructions on how to properly make the safety connection between the trailer and the tow vehicle (subject to a limited statutory exception).