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 6 Washington State Route 6 State Route 6 (SR 6) is a long state highway in Pacific and Lewis counties in the U.S. state of Washington. The highway, which extends from (US 101) in Raymond east to (I-5), co-signed with in Chehalis. Major communities located on the highway include Raymond, Pe Ell, Adna and Chehalis. The first state highway that used the current route of SR 6 was , established in 1913. State Road 19 became in 1923, which became (PSH 12) in 1937. In 1964, PSH 12 became SR 6 and since, three minor construction projects have been arranged, only