tests.get-dpt-app

You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.

At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.