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| SR222 | |
|---|---|
| State | WA |
| Type | SR |
| Route | 222 |
| Length mi | 3.00 |
| Direction a | West |
| Terminus a | Walla Walla County |
| Direction b | East |
| Terminus b | U.S. Route 12 |
| Counties | Walla Walla County |
SR222 is a short state highway in Walla Walla County, linking rural areas near College Place and agricultural lands west of Walla Walla to U.S. Route 12. The route serves local traffic, farm freight, and provides a connector for regional routes including Interstate 82 and the Blue Mountains corridor. SR222 supports access to educational, agricultural, and rail facilities in the Walla Walla valley, intersecting county roads and state freight routes.
SR222 begins near rural intersections in western Walla Walla County just west of College Place and proceeds eastward across agricultural plains toward Walla Walla. The alignment crosses minor county arterials and irrigation ditches serving vineyards and orchards that characterize the Walla Walla Valley AVA. Approaching its eastern terminus, the highway interchanges with U.S. Route 12 east of Walla Walla Regional Airport and provides connections toward Pendleton and Tri-Cities via regional corridors. The roadway passes near landmarks such as Walla Walla Community College, farm processing facilities, and rail spurs of the BNSF Railway that serve the valley.
The roadway that became SR222 traces its origins to early county and territorial routes developed to serve homesteads, Oregon Trail emigrant trails, and later agricultural consolidation in the late 19th and early 20th centuries. With the expansion of numbered highways in Washington during the 1930s and the 1964 state highway renumbering, the corridor received a state designation to formalize maintenance and freight routing linking to U.S. Route 410 and later U.S. Route 12. Improvements in the mid-20th century included pavement upgrades to support truck traffic servicing growers and processors tied to markets in Portland and Spokane. Federal and state investment in the 1980s and 1990s funded intersection realignments to improve access to Walla Walla Regional Airport and to accommodate growth associated with Whitman College-area commuting patterns. Recent decades saw periodic resurfacing and safety projects coordinated with the Washington State Department of Transportation.
The route’s principal junctions serve as links between local and regional networks: - Western terminus: rural county road transitions near agricultural access roads in Walla Walla County. - Intermediate: connections to county arterials leading toward College Place, Lowden, and farm cooperatives servicing shipments to Portland and Yakima. - Eastern terminus: junction with U.S. Route 12 providing routes to Lewiston, Pomeroy, and Wenatchee as well as links to Interstate 82 for travel to Yakima and Tri-Cities.
Planned and proposed projects affecting the corridor include resurfacing and preservation efforts prioritized by Washington State Department of Transportation asset management plans, safety enhancements influenced by regional freight studies conducted with Port of Walla Walla and county planners, and multimodal access improvements to support commuter and agricultural demands associated with growth in the Walla Walla Valley AVA. Coordination with federal programs, including funding mechanisms related to Surface Transportation Block Grant Program allocations, seeks to secure capital for bridge inspections, shoulder widenings, and signage upgrades to meet Federal Highway Administration standards. Local stakeholders such as Walla Walla County Public Works and municipal governments have discussed corridor resilience projects tied to wildfire evacuations affecting the Blue Mountains region.
Traffic volumes on the highway are modest relative to urban arterials but exhibit seasonal peaks tied to harvest operations, tourism for the Walla Walla Valley AVA, and events at institutions like Walla Walla Community College. Safety initiatives have targeted intersection visibility, shoulder condition, and accommodations for heavy agricultural equipment, guided by data compiled by the Washington State Department of Transportation and regional planning organizations collaborating with the Federal Highway Administration. Enforcement and incident response coordination involves Walla Walla County Sheriff's Office, Washington State Patrol, and local fire districts for crash mitigation and emergency response on rural segments.
The corridor functions as a spur and connector to principal routes in eastern Washington, integrating with U.S. Route 12, nearby Interstate 82, and county road networks serving the Walla Walla Valley AVA and agricultural supply chains to Port of Walla Walla facilities. Freight designation and truck route planning have been coordinated with BNSF Railway freight nodes, Walla Walla Regional Airport, and state freight mobility plans administered by the Washington State Department of Transportation.