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Car crashes usually involve speed.
Drivers can avoid car crashes by paying attention while driving and following driving laws, not driving while impaired and by having their vehicles checked and inspected regularly. Drivers should always be looking around them, particularly in their blind spots and should always be obeying local speed limits. Using appropriate signaling and yielding to pedestrians and city vehicles (ambulances, fire trucks, police cars) can also help prevent car crashes.
45mph
around 50mph
speed
In 2006, 37 percent of all motorcyclists involved in fatal crashes were speeding, compared with 23 percent for drivers of passenger cars, 19 percent for light truck drivers and 8 percent for large truck drivers.
speed awareness concentration fatigue
speed
Variable speed drivers are necessary to be able to have different speed settings in a motor.
The energy goes up with the square of the speed.
Speed is a contributing factor in about 27% of all fatal motor vehicle crashes in the United States. However, the exact percentage may vary depending on the region or country.