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Case Study Resource Center

FINANCIAL ASSISTANCE RECEIVED

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

Boston area, Massachusetts
Case Studies of Successful LED Traffic Signal Installations and Documentation of a Three-Color Signal Demonstration. (fee)
(updated February 2001 with Boston-area case studies)
American Council for an Energy-Efficient Economy for Boston Edison Company. December 1999.

Boulder, Colorado (Population, 83,312)
Energy-saving Traffic Lights Installed
The Boulder County Business Report. April 1997.

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

  • Solar Powered Blinkie: Solar Powered LED Applications Under Cold Weather Climatic Conditions (See Section H of Publications Catalog)
    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

    Sunnyvale, California (Population: 117,229)

  • City gets the LED out in New Traffic Lights
    The Sun: Sunnyvale's Newspaper. April 28, 1998.
  • Retrofit of Existing Red Incandescent Bulbs in Traffic Signals with Red Light Emitting Diodes (LEDs) (TR-97-1) RTC #98-039
    City of Sunnyvale Department of Public Works. February 3, 1998.


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

     

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