Primary State Highway 7 (Washington)

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Primary State Highway 7
Historic State Highway in Washington

AKA:

North Central Highway

From:

PSH 3 in Ellensburg

To:

US-10 in Davenport

Commissioned:

1937

Decommissioned:

1964

Signed with:

US-10,

I-90

Succeeded:

none

Succeeded by:

	I-90
	SR-17
	SR-28
	SR-281
	SR-283

Pre-1964 highways in Washington

Primary State Highway 7, the North Central Highway, was a highway in the state of Washington, U.S.A., from 1937 to 1964. The main (trunk) route of the highway extended from Ellensburg in the west to Davenport in the east.

PSH 7 was originally established as "State Road No. 7" in 1915^[1], and designated Primary State Highway 7 by the state legislature when it created the primary and secondary state highways systems in 1937. Beginning at a junction with PSH 3 in Ellensburg, PSH 7 followed the routing of U.S. Route 10 (later Interstate 90) across the Columbia River at Vantage, then parted ways and headed due north into Quincy. Turning east, PSH 7 followed a meandering course through Ephrata, Soap Lake, and Odessa before ending at a junction with US-2/PSH 2 and PSH 22 in Davenport.

Highways in Washington were renumbered in 1964. Today, PSH 7 between Ellensburg and George is part of I-90; between George and Quincy, SR-281; and between Quincy and Davenport, part of SR-28.

1 Branches
2 Secondary State Highways
3 References
4 External links

[edit] Branches

PSH 7 had two unnamed branches. One was a 20-mile spur route connecting the PSH 7 trunk route at Soap Lake to PSR 2 (U.S. Route 2) at Coulee City. Today, this branch is part of SR-17. A second branch, was built in the 1950s to create a more direct route between George and Ephrata, bypassing Quincy. Today, this branch is SR-283.