Washington (state) for the southernmost section where the border follows the Snake River. Oregon is to the south, with the Columbia River forming the western part and the 46th parallel forming the eastern part of the Oregon-Washington border. To the west of Washington lies the Pacific Ocean. Its northern border lies mostly along the 49th parallel, and then via marine boundaries through the Strait of Georgia, Haro Strait, and Strait of Juan de Fuca, with the Canadian province of British Columbia to the north. Washington is part of a region known as the Pacific Northwest, a term which always includes Washington and
Washington State Route 906 southeast, between I-90 and the Iron Horse Trail, and ends at a WSDOT maintenance facility located at the north end of Keechelus Lake. The old Chicago, Milwaukee, St. Paul & Pacific Railroad-Hyak Depot is accessible from SR 906 Spur, which now acts as a trail head for the Iron Horse rail trail. WSDOT conducts a series of surveys to measure traffic volume in terms of AADT and calculated that 300 vehicles-per-day used the spur route in 2012. This number has remained steady between 2009 and 2012. Washington State Route 906 State Route 906 (SR 906) is a state highway in