- List of Primary State Highways in Washington
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Marker for PSH 1Highway names Primary: Primary State Highway X (PSH X) Secondary: Secondard State Highway X (SSH X) System links State highways in Washington
Interstate • US • State
Former PSH • 1964 renumbering • Former SRPrimary State Highways were major state highways in Washington state. They were used from 1905 to 1964. The 1964 state highway renumbering changed the highway numbering in the state to consolidate and create a more organized and systematic method of numbering the highways within the state.
History
The first state road, running across the Cascade Range roughly where State Route 20 now crosses it, was designated by the legislature in 1893. Two other roads - a Cascade crossing at present State Route 410 and a branch of the first road to Wenatchee - were added in 1897. The Washington Highway Department was established in 1905, and a set of twelve State Roads, numbered from 1 to 12, were assigned. A thirteenth was added in 1907, and State Roads 14 to 18 in 1909.[1]
However, it was not until 1913 that a connected system was laid out - earlier state roads had been disconnected segments of road needing improvements. The seven primary roads were only assigned names, while the older state roads kept their numbers as secondary roads. In 1923, most state roads were assigned new numbers, though the primary and secondary split remained, and several roads remained named only. The United States Numbered Highways were assigned in late 1926, overlapping some of the State Roads.
The first major reworking of the system was passed in 1937, including a complete renumbering. A number of Primary State Highways were designated, while Secondary State Highways were suffixed spurs off those. For instance, Primary State Highway 1 was the Pacific Highway (present Interstate 5), and Secondary State Highway 1B was a spur from Bellingham to the Canadian border (now State Route 539). U.S. Routes kept dual designations with State Highways. By 1952, the present highway shield, in the shape of George Washington's head, had been adopted.
Secondary State Highways
Secondary State Highways (SSH) were branches of Primary State Highways.[2]
- Branches of PSH 1
- Branches of PSH 2
- Branches of PSH 3
- Branches of PSH 4
- Branches of PSH 5
- Branches of PSH 6
- Branches of PSH 7
- Branches of PSH 8
- Branches of PSH 9
- Branches of PSH 10
- Branches of PSH 11
- Branches of PSH 12
- Branches of PSH 13
- Branches of PSH 14
- Branches of PSH 15
- Branches of PSH 16
- Branches of PSH 17
- Branches of PSH 21
- Branches of PSH 22
Primary State Highway 1
Primary State Highway 1 Location: Vancouver to Canada – United States border Existed: 1937–1964 Primary State Highway 2
Primary State Highway 2 Location: Seattle to Spokane Existed: 1937–1964 Primary State Highway 3
Primary State Highway 3 Location: Cle Elum to Canada – United States border Existed: 1937–1964 Primary State Highway 4
Primary State Highway 4 Location: Tonasket to San Poil Existed: 1937–1964 Primary State Highway 5
Primary State Highway 5 Location: Seattle to Yakima Existed: 1937–1964 Primary State Highway 6
Main article: Primary State Highway 6 (Washington)Primary State Highway 6 Location: Spokane to Canada – United States border Existed: 1937–1964 Primary State Highway 7
Primary State Highway 7 Location: Ellensburg to Davenport Existed: 1937–1964 Primary State Highway 8
Primary State Highway 8 Location: Vancouver to Buena Existed: 1937–1964 Primary State Highway 9
Primary State Highway 9 Location: Olympia to Mud Bay Existed: 1937–1964 Primary State Highway 10
Primary State Highway 10 Location: Olds Station to Canada – United States border Existed: 1937–1964 Primary State Highway 11
Primary State Highway 11 Location: Pasco to Spokane Existed: 1937–1964 Primary State Highway 12
Primary State Highway 12 Location: Chehalis to Kelso Existed: 1937–1964 Primary State Highway 13
Primary State Highway 13 Location: Aberdeen to Raymond Existed: 1937–1964 Primary State Highway 14
Primary State Highway 14 Location: Hoodsport, Washington to Tacoma Existed: 1937–1964 Primary State Highway 15
Primary State Highway 15 Location: Everett to Peshastin Existed: 1937–1964 Primary State Highway 16
Primary State Highway 16 Location: Fredonia to Pateros Existed: 1937–1964 Primary State Highway 17
Primary State Highway 17 Location: Twisp to Marblemount Existed: 1937–1964 Primary State Highway 18
Primary State Highway 18 Location: George to Ritzville Existed: 1937–1964 Primary State Highway 21
Primary State Highway 21 Location: Kingston to Gorst Existed: 1937–1964 Primary State Highway 22
Primary State Highway 22 Location: Davenport to Canada – United States border Existed: 1937–1964 References
Categories:- Pre-1970 state highways in Washington (state)
- Washington (state)-related lists
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