State Route 9, 10 and 11 in Washington

State Route 9 in Washington

State Route 9 or SR-9 is a state route in the U.S. state of Washington. The road forms a north-south route through the edge of the North Cascades, from Woodinville to the Canadian border at Sumas. State Route 9 is 158 kilometers long.

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Travel directions

State Route 9 begins at a junction with State Route 522 at Woodinville. These are the northeastern exurbs of Seattle. The road is a narrow four-lane road through built-up areas with a lot of forest. You then reach the more open valley of the Snohomish River, after which State Route 9 forms the western bypass of the town of Snohomish. Here is a connection to US 2.

The road then continues north just east of Interstate 5 ‘s urban corridor, just past cities like Everett and Marysville. This part of the route varies between two and four lanes. At Arlington one crosses the Stillaguamish River, after which the road leads through a sparsely populated hill country at the foot of the Cascade Mountains. The mountains in this region are up to about 1,000 meters high and densely forested.

State Route 9 passes east of the town of Mount Vernon and then enters the more agricultural valley of the Skagit River. State Route 9 crosses it at Sedro-Woolley, where it crosses State Route 20. North of Sedro-Woolley, State Route 9 leads through the highest mountain ranges on its route, the elevation changes here are more abrupt, with higher mountains to the east with the 3,286-foot Mount Baker as the highest point.

You then enter the valley of the Nooksack River, you leave the mountain range again and the road leads through flat agricultural terrain in the border area with Canada, actually part of the larger valley of the Fraser River in British Columbia. The border crossing follows in the border town of Sumas, after which Highway 11 in British Columbia continues to Abbotsford.

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History

The route of today’s State Route 9 has often had a secondary importance because of its proximity to the Pacific Highway, later to become US 99, which lies just a few miles to the west between the Seattle and Mount Vernon regions. The northernmost part was most important as a connection to the larger city of Abbotsford in Canada.

The route was numbered in 1937 as a branch of State Route 1, Secondary State Highway 1A, which ran from Woodinville to the Canadian border at Sumas. This ran parallel to State Route 1 (US 99). During the renumbering of the state routes in 1964, this became State Route 9. The road has been upgraded relatively little due to its proximity to US 99 and later Interstate 5. In the more urban areas, the road has often been widened to 4 lanes.

Traffic intensities

Every day, 25,000 to 35,000 vehicles drive through the exurbs between Woodinville and Snohomish. 35,000 vehicles per day also pass through Lake Stevens. Further north, the road is quieter with 13,000 vehicles to Arlington and only 1,000 to 3,000 vehicles between Arlington and Sedro-Woolley. The section through the Cascade Mountains to Nooksack also has only 2,000 vehicles per day. This rises to 5,300 vehicles on the border with Canada.

State Route 10 in Washington

State Route 10 or SR-10 is a state route in the U.S. state of Washington. The road forms a short east-west link east of the Cascade Mountains between Teanaway and Ellensburg. The 26-kilometer route is a remnant of US 10.

Travel directions

State Route 10 (left) along the Yakima River.

State Route 10 runs through the valley of the still small Yakima River. The road begins in the hamlet of Teanaway and heads out the eastern Cascades into arid eastern Washington. Interstate 90 runs a short distance across the river parallel to State Route 10. The road ends shortly before Ellensburg at US 97.

History

The Snoqualmie Pass has traditionally been the main link between western and eastern Washington. The road over the Snoqualmie Pass joined the historic Inland Empire Highway in Ellensburg. In 1923, the road was renumbered State Route 3, but from 1926 it also became part of US 10, one of the most important east-west connections in the United States. In the late 1960s, Interstate 90 was built in this area, after which US 10 was dropped and the road was numbered as State Route 10.

Traffic intensities

Approximately 1,500 vehicles use State Route 10 every day.

State Route 11 in Washington

State Route 11 or SR-11 is a state route in the U.S. state of Washington. The road forms a north-south route along the Puget Sound shoreline between Burlington and Bellingham in the north of the state. State Route 11 is 21 miles long.

Travel directions

State Route 11 begins at its junction with Interstate 5 in the town of Burlington. The road initially leads through flat agricultural terrain, which is part of the larger Skagit River valley. The road then gradually heads to the coast of the Puget Sound and then forms a route along the coast and through Larrabee State Park. The area here is densely wooded with peaks up to 700 meters. One then reaches the town of Bellingham from the south and ends there on the secondary road network.

History

The coastal route along the Puget Sound became a state road in 1895 and was renumbered State Route 5 in 1905. It then became part of the Pacific Highway between Blaine and Vancouver, Washington, which ran between 1909 and 1913. has been constructed. The road was paved in 1921. In 1923, the road became part of State Route 1, Washington’s main state highway. From 1926 it also became part of US 99.

In 1931 a new road between Burlington and Bellingham was built through the interior, which was easier to drive than the tight and winding coastal road. US 99 was then passed over it, after which the old route along the coast was numbered as an alternate route of US 99, US 99A.

With the 1964 renumbering, the road was renumbered State Route 11, in addition to US 99A, which was slated to disappear due to the construction of Interstate 5 a little more east through the interior. In 1968, US 99 and US 99A were scrapped and the road was numbered only as State Route 11. However, the importance of the road had also been lost due to the completion of I-5 between Burlington and Bellingham.

Traffic intensities

4,000 vehicles drive daily at Burlington and 3,000 vehicles along the coastline as far as Bellingham.