The top five contributing risk factors to fatal crashes in texas are: speeding, driving under the influence, failure to control speed, failure to drive in a single lane, and

running and not stopping at traffic lights and stop signs

Explanation:

Stopping the vehicle at traffic lights and stop signs are most important to avid any accidents or collisions. Traffic lights and signs  are meant to control the traffic and avoid any collision. It allows and helps to pass the vehicles to drive away safely. But not following the traffic signs and not stopping at the traffic lights can lead to fatal accidents and serious injuries. This is very dangerous and must be avoided.