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EECBG Success Story: Topeka’s “Green Light Tunnel” Saves Fuel and Time

April 22, 2011 - 1:50pm


Topeka, Kansas has activated the first of three key traffic corridors to receive a "green light tunnel," a real-time adaptive traffic signal system that synchronizes signals to create a series of green lights for motorists. The result is fewer stops, less travel time and -- most importantly -- a lot of saved gasoline.

Using roughly half of its $1.2 million Energy Efficiency and Conservation Block Grant, Topeka, Kansas installed adaptive traffic signal systems at 22 intersections across the city. Learn more.