 The highway was declared the Yellow Ribbon Highway in November 2009 by the Legislature after a successful campaign led by Everett resident Nathan Olson.The sign unveiling ceremony was attended by WSDOT, elected officials, Naval Station Everett and community members on November 5, 2009.The 4-lane fixed bridge over Ebey Slough that connects SR 529 from Everett to Marysville was fully completed in 2013, replacing a two-lane swing bridge that was 87 years old.