US 1 Business #1: Born in 1960 as a renumbering of US 1-A through Sanford. Ran on Carthage St and Hawkins Ave. This was the historical route of original NC 50.
In 1977, US 1 Business was rerouted southward leaving Sanford to follow NC 42 back over to mainline US 1. The remaining Carthage Rd southward is now SR 1237.
US 1-A through Sanford
1957 Lee County
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US 1-A becomes US 1 Bus
1962 Lee County
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US 1 Bus rerouted to follow NC 42
2008 Lee County
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US 1 Business #2: Born in 1960 as a renumbering of US 1-A through Gill and Henderson. US 1 Business uses Raleigh Rd and Garnett St and was the route of original NC 50.
US 1 Business actually loops east of US 1 to go through Gill.
US 1-A through Henderson
1957 Vance County
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US 1 Business replaces US 1-A
1962 Vance County
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US 1 Business #4: The most recent active US 1 Business to be created was born in June 2005 when US 1 was sent to the east of Vass and Cameron. This too was part of original NC 50.
US 1 through Vass-Cameron
2005 Official
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US 1 bypasses Vass-Cameron
2006 Official
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There is one US 1 Business segment (#3) that has come and gone. Created in 1963, US 1 Business for Raleigh was born when US 1 was placed on the new Beltline. US 1 Business followed Hillsborough St into the city center, then McDowell/Dawson (one-way pairs), Downtown Blvd and North Blvd (now Capital Blvd) northeast back out to the Beltline.
US 1 Business was decommissioned in 1975. Hillsborough St became secondary (why not an extended NC 54?) and the rest remained US 401.
Only the Hillsborough St section was part of original NC 50.
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US 1 Business in Raleigh
1965 Official
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