Pacific Highway (United States) from the Hudson's Bay Company were the first non-Native Americans to use the route of the future Pacific Highway to move between today's Washington State and "Alta California." During the second half of the 19th Century, mule trains, stagecoaches, and the Central Pacific Railroad also followed the route of the Siskiyou Trail. In the early 20th century, around 1910, entrepreneur Sam Hill lobbied the governments of Washington and Oregon to build automobile roads along the path of the Siskiyou Trail, with the ultimate goal of building a paved auto route from Canada to Mexico. Pacific Highway (United States) Pacific Highway
Washington State Route 538 2009, between I-5 and 18th Street, WSDOT repaved the highway and expanded the Riverside Drive intersection. Cemex Pacific Holdings was awarded the contract for repaving the road on January 20 and construction began with the closure of the Riverside Drive intersection on 31 May. The closure, which was delayed from 3 May, lasted until June 4. Actual repaving happened in late June of that year. Washington State Route 538 State Route 538 (SR 538, alternatively named College Way) is a long state highway located within the northern area of Mount Vernon city limits and the urban growth boundary, located in