sentences:  The highway is a major freight corridor and serves as an alternate route between Bellingham and the Sumas border crossing.The highway runs along Badger Road, which was built in 1890s and paved by the county government in 1922 per the request of citizen petitions.It was incorporated into the state highway system from 1937 to 1951 as part of Secondary State Highway 1A (SSH 1A), which connected to Blaine and Sedro-Woolley.