[header] How to travel by car with your dog [title] Figure out how you want to restrain your dog in the car. [step] It is not safe, nor advisable to let a dog roam around a car unrestrained. Consider putting your dog in a pet cage if you are driving a long distance or if your dog is a nervous passenger. 
It is the most effective way of keeping a dog still and under control whilst driving. Having a dog caged will help you to focus on driving instead of on the dog, which is important because distracted drivers can easily have accidents.