What is failure to yield is the primary cause of what percentage?

Failure to yield is the primary cause of about 38% of vehicle collisions in the United States. This includes situations where a driver fails to yield the right of way at intersections, crosswalks, merge points, and when entering or exiting a roadway. Failure to yield can lead to serious accidents and injuries, so it is important for all drivers to be aware of and obey traffic laws regarding the right of way.