are 42 signalized intersections and two school traffic signals in Ponca
City. Additionally, there are 24 flashing school speed limit beacons
and nine miscellaneous warning and/or four-way stop beacons in the
city. All told these signals and beacons use 1,931 light bulbs.
City did a system-wide conversion from incandescent
light bulbs to light emitting diode lamps (LED’s). The incandescent
bulbs used previously had a life expectancy of 1 to 1.5 years. The new
LED lamps have a life expectancy of seven to ten years and use 1/9 the
power of traditional incandescent bulbs. While the initial cost of an
LED lamp is higher than an incandescent bulb, the longer life and
reduced power consumption will actually result in a savings to the
city. Plus, the LED lamps are brighter across the entire signal face
which provides an added degree of safety.