State Route 507 is a Washington state highway

State highways in Washington

In the U.S. state of Washington, the Washington State Department of Transportation maintains a network of over 7000 miles of state highways, including all Interstate and U.S. Highways that pass through the state. The system comprises 8.5% of the state's public road mileage, but carries over half...

 in Lewis

Lewis County, Washington

Lewis County is a county located in the U.S. state of Washington. As of 2010, the population was 75,455. The county seat is at Chehalis, and its largest city is Centralia....

, Thurston and Pierce

Pierce County, Washington

right|thumb|[[Tacoma, Washington|Tacoma]] - Seat of Pierce CountyPierce County is the second most populous county in the U.S. state of Washington. Formed out of Thurston County on December 22, 1852, by the legislature of Oregon Territory...

 counties that extends 43.52 miles (70.04 km) from (I-5) and (US 12) in Centralia

Centralia, Washington

Centralia is a city in Lewis County, Washington, United States. The population was 16,336 at the 2010 census.-History:In pioneer days, Centralia was the halfway stopover point for stagecoaches operating between the Columbia River and Seattle. In 1850, J. G. Cochran came from Missouri with his...

 to in Spanaway

Spanaway, Washington

Spanaway is a census-designated place in Pierce County, Washington, United States. The population was 27,227 at the 2010 census. Spanaway is an unincorporated area near Tacoma, and is often identified together with the more urban, less wealthy Parkland....

. The highway also intersects in Yelm

Yelm, Washington

Yelm is a city in Thurston County, Washington, United States. The population was 6,848 at the 2010 census. Yelm ranked 10th of 279 eligible incorporated communities in the state of Washington for population growth between 2000 and 2010.-History:...

 and in McKenna

McKenna, Washington

McKenna is an unincorporated community in Pierce County, Washington, United States, located on State Route 507 and the Nisqually River, east of Yelm.Founded around 1908, McKenna is a former timber company town....

. The first appearance of the roadway on a map was in 1916 and since, two highways, (SSH 5H) and , were established on the current route of SR 507 in 1937 and 1943.