Search results
Results from the WOW.Com Content Network
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.
The American Trucking Associations has published a comprehensive textbook on risk factors, proximal causes, and prevention of large/heavy truck crashes. [9] Topics include the size and nature of the truck collision problem; safety research methods; driver, vehicle, and roadway risk factors; vehicle-based technologies; safety management and ...
The interior of a truck where the driver sits to operate the vehicle. Cheater axle See lift axle. Dual wheels A pair of tire and wheel assemblies mounted side-by-side on a single axle hub. In some applications it is replaced by a super single. On pickup trucks it is sometimes called a dually. The assembly has a greater load carrying ability as ...
Right before a wheel locks up, it will experience a rapid deceleration. If left unchecked, the wheel would stop much more quickly than any car could. It might take a car two to four seconds to stop from 60 mph (96.6 km/h) under ideal conditions, but a wheel that locks up could stop spinning in less than a second.
A parking space commonly contains a parking chock (also known as a parking curb, parking bumper, wheel stop, parking chock, curb stop, bumper block, [2] and turtarrier [citation needed]), a barrier which is used to prevent cars from pulling too far into the space and obstructing an adjacent parking space, curb, or sidewalk.
The design sight distance allows a below-average driver to stop in time to avoid a collision in most cases. Driver perception/reaction distance is calculated by: d PRT = 0.278 Vt (metric) d PRT = 1.47 Vt (US customary) Where: d PRT = driver perception-reaction distance, m (ft) V = design speed, km/h (mph) t = brake reaction time, in seconds
[106] [153] In some cases, police focused on driving while "influenced", pull over slower quartile sober night-time drivers moving no faster than they can stop within the radius of their headlights; [1] this discourages adjusting speed downward from anything but the posted "maximum speed" permitted by law—which is determined as previously ...
The two-second rule tells a defensive driver the minimum distance to avoid collision in ideal driving conditions. The red car's driver picks a tree to judge a two-second safety buffer. Defensive driving describes the practice of anticipating dangerous situations, despite adverse conditions or the mistakes of others when operating a motor vehicle.