As part of WSDOT's testing and quality control practices they take samples from the plants providing paving materials to contractors paving WSDOT's roads. This video comes from Columbia Asphalt's portable asphalt plant setup near Ellensburg, WA for a paving job from the Yakima River to Ellensburg, WA. This video was shot on a webcam on May 20, 2009. The sound is of low quality because it is nearly overwhelmed by the noise from the plant.
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