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For heavy duty commercial vehicles it is recommended 4-6 seconds following distance for speeds under 30 mi/h (48 km/h), and 6-8 seconds following distance for speeds over 30 mi/h (48 km/h). [9] Rear-end collisions are the number one type of traffic collisions. [10]
The two-second rule is useful as it can be applied to any speed. Drivers can find it difficult to estimate the correct distance from the car in front, let alone remember the stopping distances that are required for a given speed, or to compute the equation on the fly. The two-second rule provides a simpler way of perceiving the distance.
Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop. It is primarily affected by the original speed of the vehicle and the coefficient of friction between the tires and the road surface, [Note 1] and negligibly by the tires' rolling resistance and vehicle's air drag.
Using physics, math and brain science, we can come up with a pretty good estimate of proper following distance for various driving situations. Use this counting method to find safe following ...
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Tailgating is the action of a driver driving behind another vehicle while not leaving sufficient distance to stop without causing a collision if the vehicle in front stops suddenly. [1] The safe distance for following another vehicle varies depending on various factors including vehicle speed, weather, visibility and other road conditions. Some ...
The Official Highway Code, 17th edition cover, 2022. The Highway Code is the official set of information and guidance for road users in the United Kingdom.Its objective is to promote the safe and efficient use of the road network.
The ACDA minimum standard gives fair notice of what conduct is prohibited, and people of ordinary intelligence can apply their braking experience or the seconds of distance to stop rule to the distance they can see; [142] once one is allowed to cruise-on without control beyond the edge of visibility, there is little consensus on what arbitrary ...