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Drivers beginning to see US 101 in a whole new light

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Date:  Friday, April 19, 2013

Contact: Alice Fiman, WSDOT Communications, 360-705-7080 (Olympia)

OLYMPIA – Drivers on US 101 west of Olympia will notice changes to roadway lighting as a pilot project to test the first light-emitting-diode (LED) lighting system on a state highway moves into its second phase.

Beginning Sunday, April 21, Washington State Department of Transportation crews will reduce the light level for all LED roadway lights on US 101 near Black Lake Boulevard and turn off 75 percent of the lights from 11 p.m. to 5 a.m. Lights at the ramp connections and intersections with Black Lake Boulevard will remain on overnight.

In late February, WSDOT crews replaced 88 high-pressure-sodium (HPS) lights along this section of US 101 with state-of-the-art LED technology that included an “adaptive control system.” The adaptive features allow WSDOT crews to remotely monitor and control light levels based on traffic levels.

WSDOT expects the LED system to last 15 years. Compared to an HPS system, the light level-control technology will reduce energy usage by 1.7 million kilowatt-hours of electricity and save more than $75,000 in maintenance and operating costs.

Information gathered at the US 101 location will help WSDOT build a plan for more LED lights across the state.

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WSDOT keeps people, businesses and the economy moving by operating and improving the state's transportation systems. To learn more about what we're doing, go to http://www.wsdot.wa.gov/news/ for pictures, videos, news and blogs. Real time traffic information is available at http://www.wsdot.wa.gov/traffic/ or by dialing 511.


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