Back U.S. Highway 99 German U.S. Route 99 Spanish جاده ۹۹ ایالات متحده آمریکا Persian U.S. Route 99 French 국도 제99호선 (미국) Korean U.S. Route 99 Portuguese U.S. Route 99 Swedish 99号美国国道 Chinese
U.S. Route 99 | |||||||||||||
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 US 99 highlighted in red | |||||||||||||
| Route information | |||||||||||||
| Length | 1,600 mi[1] (2,600 km) | ||||||||||||
| Existed | 1926–1972[2] | ||||||||||||
| Major junctions | |||||||||||||
| South end |  Fed. 5 at Mexican border in Calexico, CA | ||||||||||||
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| North end |  Hwy 99 at Canadian border in Blaine, WA | ||||||||||||
| Location | |||||||||||||
| Country | United States | ||||||||||||
| States | California, Oregon, Washington | ||||||||||||
| Highway system | |||||||||||||
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U.S. Route 99 (US 99) was a main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico, California, on the Mexican border to Blaine, Washington, on the Canadian border. It was assigned in 1926 and existed until it was replaced for the most part by Interstate 5. Known also as the "Golden State Highway" and "The Main Street of California", US 99 was important throughout much of the 1930s as a route for Dust Bowl immigrant farm workers to traverse the state. Large portions are now California State Route 99 (SR 99), Oregon's Routes 99, 99W, and 99E, and Washington's SR 99. The highway in Washington connected to British Columbia Highway 99, whose number was derived from that of US 99, at the Canada–US border.
- ^ Livingston, Jill; Maloof, Kathryn Golden (2003). That Ribbon of Highway III: Highway 99 through the Pacific Northwest. Klamath River, California: Living Gold Press. ISBN 0965137767.
- ^ U.S. Route Numbering Subcommittee (December 3, 1971). "U.S. Route Numbering Subcommittee Agenda" (Report). Washington, DC: American Association of State Highway Officials. p. 418. Retrieved October 29, 2014 – via Wikisource.