Washington State Route 12 is a major highway in the state of Washington, stretching approximately 200 miles. It runs east-west, connecting the city of Aberdeen on the west to Walla Walla in the east. The route passes through various landscapes, including forests, rivers, and agricultural areas. The highway serves as an important transportation corridor, facilitating travel and commerce across the region. Key towns along the route include Chehalis, Centralia, and Yakima. Washington State Route 12 also provides access to recreational areas, making it a popular choice for both locals and tourists.