Adopt a Highway Safety Video is a required video that need to be seen before picking up litter along the highways in Washington State. The video is available in two formats: Windows Media File - http://media.wsdot.wa.gov/asxgen/video/operations/adoptahwy/AdoptaHighway.wmvReal Video - rtsp://media.wsdot.wa.gov/ramgen/video/operations/adoptahwy/AdoptaHighway.rv