The Valley Traffic Division (VTD) is responsible for the investigation of traffic collisions and traffic-related crimes for all of Valley Bureau. VTD provides aggressive traffic enforcement in local areas where serious collisions have resulted in injury or death.

During 2010, there were 13,902 traffic collisions reported.  Of those traffic collisions, 6,341 were hit and runs, 61 were fatal collisions and 919 were driving under the influence related traffic collisions.