Approximately 65,000 vehicles each day pass through the city's 300 miles of intersecting streets. People depend upon proper signs, pavement markings, barricading, traffic signals and other devices to control traffic flow and relieve congestion. Traffic Engineering personnel maintain these devices and monitor the network for any changes that may disrupt traffic flow. Street lighting enhances the city environment and provides an effective tool in crime prevention. Traffic Engineering staff monitors and maintains the 7,400 bulb system on an as-needed basis.
Crews routinely service, clean and relamp fixtures.
The expected life of a high pressure sodium light bulb is about 6.5 years. The Radio Operations section is responsible for administering the city's public service two-way radio communications system. Proper installation and maintenance of approximately 200 fixed and mobile radio devices ensures a reliable communication system to users.