Massachusetts Registry Of Motor Vehicles (RMV) Practice Test

The total stopping distance at a speed of 60 mph is approximately 292 feet. This distance includes two main components: the reaction distance and the braking distance. At 60 mph, a driver typically has a reaction time that is around 1.5 seconds, during which the vehicle continues to travel while the driver perceives the need to stop and initiates braking. The reaction distance at this speed is roughly 132 feet (60 mph converts to 88 feet per second, and multiplying that by the 1.5 seconds gives about 132 feet). The braking distance is calculated based on the speed of the vehicle. For a car traveling at 60 mph, the braking distance can be estimated to be about 160 feet. This estimate is based on the physics of deceleration and the condition of the road. Adding the reaction distance (132 feet) to the braking distance (160 feet) results in a total stopping distance of approximately 292 feet. This calculation highlights the importance of keeping a safe following distance, especially at higher speeds, as the total stopping distance increases significantly.