UK Driving Theory Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the UK Driving Theory Test with an engaging quiz that includes multiple-choice questions, detailed explanations, and interactive study tools. Get the knowledge you need to pass your exam with confidence!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

At what distance does the stopping distance for a vehicle traveling at 50 mph begin?

100 ft
125 ft
175 ft
200 ft

The correct answer is: 175 ft

The stopping distance for a vehicle traveling at 50 mph is typically around 175 feet under ideal conditions. This distance comprises two main components: the reaction distance and the braking distance. The reaction distance is the distance your vehicle travels from the moment you perceive a hazard until you actually apply the brakes. At 50 mph, this reaction time can account for a significant portion of the overall stopping distance. The braking distance is the distance the vehicle travels while braking to a complete stop, which increases with speed due to the physics of inertia and the need for greater force to bring the vehicle to a halt. When you consider factors such as road conditions, vehicle load, and tire grip, the stopping distance can vary. However, under normal circumstances, the correct benchmark for the stopping distance at this speed starts at approximately 175 feet, making it essential for drivers to understand these distances to maintain safe driving practices. A driver must account for this distance to effectively respond to potential hazards on the road.