The law. Massachusetts, New Hampshire, California, Maine, Oregon, Washington, Florida and Rhode Island restrict dogs from trucks or open vehicles. Massachusetts General Laws Chapter 90 Section 22H states that no person shall transport any animal in the back of a motor vehicle in a space intended for any load on the vehicle on a public way unless:
the space is enclosed or has side and tail racks to a height of at least 46 inches extending vertically from the floor;
the animal is cross-tethered to the vehicle (simple, inexpensive cross-tethering devices are sold at pet-supply stores for $15-$40);
the animal is protected by a secured container or cage;
or the animal is otherwise protected in a manner that will prevent the animal from being thrown or from falling or jumping from the vehicle.
Violation of this law is punishable by a fine not less than $50. In addition, transporting your animals in an unsafe manner may also, in certain circumstances, constitute criminal animal cruelty pursuant to Mass. General Laws Chapter 272 Section 77.
Prior to this law passing in 1998, in a statewide survey, 71 percent of Massachusetts veterinarians reported having treated animals (mostly dogs) injured as a result of riding unsecured and unprotected in the back of open-bed vehicles. This resulted in more than 600 dogs being injured while transported in this unsafe manner.
If truck bed transport is necessary,
use a pet harness that encircles shoulders and rib cage (not just a neck collar). Attach the harness to a cross-tether, which hooks to a truck anchor on each side. Most pets will actually feel more comfortable and secure when they are restrained.