Traffic accident is an occurrence in which a motor vehicle collision with other objects and cause damageSometimes these accidents can result in injuries or death to humans or animals. Traffic accident casualties is around, two million humans every year according to WHO. There are three the main factors that cause terjadikanya accident, the first is the human factor, the second factor is the vehicle and the last is the factor. The combination of these three factors it could have happened, among men with a vehicle for example runs exceeds the speed limit set then a tire burst which resulted in vehicle accident. Besides, there are environmental factors, weather can also contribute to an accident. Almost all accidents are preceded by violations of traffic signs. Violations can occur due to accidentally breaking, ignorance of the meaning of the applicable rules or do not see the provisions that are imposed or anyway pretended not to know. In addition human beings as road users often neglect even ugal ugalan in driving the vehicle, not least the number of traffic accidents caused due to vehicles drunk, sleepy, and easily goaded by the behavior of other road users who may be fishing a passion for racing. Vehicle factors the most often is the omission of the maintenance done to the vehicle. His example as the brakes failed, the steering wheel jammed, etc To reduce the factor of vehicle maintenance and repair vehicle required, in addition to the obligation to conduct testing of a motor vehicle on a regular basis.
The factor associated with speed, street plans, road geometric, safety fence in a mountainous area, the presence or absence of the median of the road, visibility and road surface conditions.
Damaged roads full of holes very dangerous to the road users, especially for bicycle users and the bicycle flying Days of rain also affect the performance of the vehicle such as the braking distance becomes farther, the path became more slippery, visibility is also affected because of the windscreen can not work perfectly or dense rain resulted in visibility become more short. Smoke and fog can also interfere with visibility, especially in mountainous areas.
