Incandescent Bulbs
Work Underway to Convert Traffic Signals at 237 Intersections
 

Work Underway to Convert Traffic Signals at 237 Intersections

Work began in mid-January on a project to convert traffic signals at 237 Tulsa intersections from incandescent bulbs to LED (light-emitting diodes). The $1.1 million project, estimated for completion in June, is progressing ahead of schedule.

The contractor, MidState Traffic Control, is likely to be a familiar sight for Tulsa motorists during its five-month contract. Crews have been spending between one-half and one full day at each intersection. Four-way stop signs will be used during this time.

Funding for this traffic signal upgrade project has come from the 1999 general obligation bond issue. The contract affects a majority of the 380-plus intersections within the city limits. LED lights are clusters of tiny bulbs connected to an electrical circuit.

Their life spans compare with transistors rather than with incandescent bulbs. LED traffic lights have a seven-year warranty, considerably longer than the average 12-to18-month life of an incandescent light. They produce brighter light, which is easier to see and may increase safety at intersections.

By investing in LED traffic signals, the City will realize annual savings of 3 million kilowatt hours - $151,400 at current fuel adjustment rates, and $35,000 in maintenance labor costs. This cost-saving measure was recommended in January 2003 by the Mayor’s Performance Review, comprising a team of citizens, business leaders and government officials.

Author Notes:

Alan Nagy contributes and publishes news editorial to http://www.discount-light-bulbs.com.  Find online light bulbs like Halogen, Projector, Tanning Bed, Fluorescent, Automotive and much more.

 
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