Question Animals may be transported in the back of a pickup truck only if: Answers The sides of the truck bed are at least 18 inches high. They are properly secured. The tailgate of the truck is closed. Explanation An animal must not be transported in the back of a pickup or other truck unless the animal is properly secured to prevent it from falling, jumping, or being thrown from the vehicle. Take a FREE Practice Test Now This questions appears in the following tests: California Practice Test