The total stopping distance of a vehicle is made up of 4 components. Human Perception Time. Human Reaction Time. Vehicle Reaction Time. Vehicle Braking Capability. Click to see full answer. Subsequently, one may also ask, what does total stopping distance include?Total Stopping Distance is the sum of the perception distance, reaction distance and braking distance. Once a driver perceives a need to slow or stop, a small amount of time passes. The time it takes to react and come into the correct braking position is the reaction distance.Beside above, what are 5 influencing factors of stopping distances? There are five primary environmental factors that can impact stopping distance, and knowing how to respond to them is key to controlling your vehicle. Hills The total weight of the truck and its load. The length and steepness of the downhill grade. The weather and road conditions. Simply so, what are the two factors that determine total stopping distance? There are two factors that contribute to the total stopping distance for a traveling vehicle. These two factors are the perception-reaction distance and the braking distance.What is the stopping distance at 25 mph?A car moving at a speed of 60 mph will travel 132 feet before the car even starts braking. One going 25 mph will cover about 55 feet of road during this time period.