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- U.S. Route 1 Sign, circa 1950 - U.S. Route 1, spanning the East Coast from Maine to Florida, is the longest north-south road in the United States. It began as an auto trail, the Quebec-Miami International Highway, established 1911. It was officially adopted as part of the U.S. national road system in 1926.

- circa 1950
- Collections - Artifact
U.S. Route 1 Sign, circa 1950
U.S. Route 1, spanning the East Coast from Maine to Florida, is the longest north-south road in the United States. It began as an auto trail, the Quebec-Miami International Highway, established 1911. It was officially adopted as part of the U.S. national road system in 1926.
- North Dakota Highway 22 Sign, circa 1955 - In 1923, North Dakota became one of the first states to adopt a uniform system for numbering and marking state highways. The state used the profile of the legendary Tacankpe Luta (Red Tomahawk), Lakota (Sioux) (c. 1850-1931) on its highway signs. In 2016, North Dakota's Department of Transportation switched to an outline of the state for its highway markers and began removing the older versions.

- circa 1955
- Collections - Artifact
North Dakota Highway 22 Sign, circa 1955
In 1923, North Dakota became one of the first states to adopt a uniform system for numbering and marking state highways. The state used the profile of the legendary Tacankpe Luta (Red Tomahawk), Lakota (Sioux) (c. 1850-1931) on its highway signs. In 2016, North Dakota's Department of Transportation switched to an outline of the state for its highway markers and began removing the older versions.
- Lincoln Highway Marker, 1915-1925 - This enameled steel marker identified the Lincoln Highway, America's first cross-country named highway. Dedicated in 1913, it ran for over three thousand miles from New York City to San Francisco, California, passing through twelve states. By 1925, the federal government began numbering the patchwork of named highways, and the Lincoln Highway passed into memory.

- 1915-1925
- Collections - Artifact
Lincoln Highway Marker, 1915-1925
This enameled steel marker identified the Lincoln Highway, America's first cross-country named highway. Dedicated in 1913, it ran for over three thousand miles from New York City to San Francisco, California, passing through twelve states. By 1925, the federal government began numbering the patchwork of named highways, and the Lincoln Highway passed into memory.