Home Departments Police Operations Bureau Traffic Patrol Traffic Patrol The traffic unit works with the City engineer to resolve traffic-related issues in the community.Speed TrailerThe traffic unit has a radar trailer available to neighborhoods to educate drivers. The radar trailer can be placed in a neighborhood to display actual speed to drivers. This trailer has been successful in educating drivers and neighborhoods of the actual speed that vehicles are traveling. The radar trailer can be scheduled for your neighborhood by contacting Captain Michael McCutchan.