Transporting Dogs in Pickup Trucks RSA 644:8-f
No person driving a pickup truck shall transport any dog in the back of 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 dog is cross tethered to the vehicle, the dog is protected by a secure container or cage, or the dog is otherwise protected, in a manner which will prevent the dog from being thrown or from falling or jumping from the vehicle.