Driving Safety and Stopping Distances

What is the formula for Total Stopping Distance?

• Perception Distance + Reaction Distance

• Perception Distance + Braking Distance

• Perception Distance + Reaction Distance + Braking Distance

• Reaction Distance + Braking Distance

At 55 mph, how far will a vehicle travel during the perception distance?

• 142 feet

• 61 feet

• 216 feet

• 419 feet

Fill in the blank: The average perception time for an alert driver is ______ seconds.

• 1

• 2

• 3 3/4

• 1 3/4

What is the effect of speed on stopping distance?

• It decreases the stopping distance

• It has no effect

• It increases the stopping distance

• It only affects perception distance.

what should you do if you must stop on the shoulder of a road?

• Call for help

• Put out emergency warning devices

• Stay in the vehicle

• Turn off the engine

Fill in the blank: At 55 mph, the reaction distance accounts for ______ feet traveled.

• A) 142

• B) 61

• C) 216

• D) 419

What is the total stopping distance at 55 mph with good brakes?

• 142 feet

• 61 feet

• 216 feet

• 419 feet

Fill in the blank: The braking distance at 55 mph on dry pavement with good brakes is ______ feet.

• 142

• 61

• 216

• 419

What should you do when putting out triangles on the road?

• Place them close to the vehicle

• Place them between yourself and oncoming traffic

• Place them behind the vehicle

• Place them in front of the vehicle

Fill in the blank: The faster you drive, the ______ the impact or striking power of your vehicle.

• lesser

• greater

• same

• negligible