Check out this article from the Whole Dog Journal for tips on traveling with your dog in the car:
The article mentions hazards that arise from having an unrestrained canine in a moving vehicle.
Here are some of those hazards:
-A dog who interferes with driver’s physical ability to drive the car. A dog sitting on the driver’s lap can interfere with steering. A dog who gets on or under the accelerator or brake pedals, hits the gear shift, or blocks the driver’s view can cause an accident.
-A dog who interferes with driver’s mental ability to drive the car. When the driver’s attention is taken away from the road to deal with dog’s behavior, the dog has become a safety hazard.
-A loose dog can become a flying missile if the car stops abruptly or is hit by another car.
-If the car windows break or the doors pop open in an accident, a loose dog can escape, get hit on the road, or run off and become lost.
-An unsecured dog can interfere with the efforts of rescue workers in an emergency.
-A dog with her head out the window can suffer injury to her eyes from bits of flying debris, or worse, can have her head smashed by objects that pass too close to the car (other vehicle mirrors, signs, branches).
-A loose dog can fall or jump out of an open window or back of a truck.
-The temperature in a parked car on a warm (not even hot!) day can kill a dog.