WSDOT makes simple traffic signal reconfigurations in order to improve traffic flow

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This video shows how Washington State department of transportation (WSDOT) plans to significantly reduce congestion at intersections on SR 9 in the Clearview area, by simply reconfiguring its traffic signals. Signals at the 164th Street Southeast will provide more green light time to Northbound drivers and as a result, Eastbound and westbound drivers will be able to travel simultaneously through the intersection instead of each side taking its own turn. In addition, a flashing yellow arrow will be added to the existing traffic signals for left turns. This change will reduce the backlog of cars waiting to turn left at SR 9 intersections. The project, which commences next month (April 2017) demonstrates how traffic managers can better utilize existing traffic systems to cost effectively manage congestion.

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Rachelle joined Traffic Technology International in early 2016 after having worked for an HR magazine and prior to that, as a freelance sub editor for various lifestyle consumer magazines. As deputy editor, she supports the editor in making each issue and updating the website. Outside of work, she enjoys tap dancing, playing the piano and video games, and eating spicy food.

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