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Energy-Efficient Traffic Signals

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Case Study Resource Center

REPORTS ADDRESSING MAINTENANCE SAVINGS

Population totals are from the US Census Bureau's American Fact Finder.

Hennepin County, Minnesota (Population: 1,032,431)

  • Solar Powered Blinkie: Solar Powered LED Applications Under Cold Weather Climatic Conditions
    Public Technology Inc. December 1996.
  • Solar Powered LED Flasher Project
    Hennepin County Department of Transportation & the Training and Employment Assistance Department. January 1998.

    New York City (Population: 7,322,564)
    New York Power Authority Brightens Traffic Signals and Cuts Costs
    New York Power Authority. September 3, 1998.

    New York State (Population: 18,976,457)
    NYS Department of Transportation: An Effective LED Traffic Signal Purchasing Strategy to Save Maintenance and Energy Costs
    Lighting Research Center web site (NYSERDA-sponsored project)
    September 2001.

    St. Paul, Minnesota (Population: 272,235)

  • City installs 72 energy-saving experimental LED traffic signals
    City of St. Paul. March 6, 1996.
  • St. Paul Public Works puts technology to the test in City's parking meters and traffic signals
    St. Paul Department of Public Works. January 1996.

    Scottsdale, Arizona (Population: 130,069)
    Light Emitting Diodes to be used for traffic signal lights
    City of Scottsdale Traffic Engineering Division. August 1998.



    CONTACT
    For more information about CEE's Energy-Efficient Traffic Signal Initiative, Susan Loucks at 617-589-3949, ext. 205.

     

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