The Highways of North Carolina
U.S. 321-A 
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Photo: US 321-A's new north end south of Lenoir (Mapmikey)
US 264-A
U.S. 321-A  11 miles
The Roads:
The 2nd US 321-A was created in 1948 as a number swap with US 321 through Lenoir.
In 1957, US 321-A was extended south replacing mainline US 321 through Hudson and Granite Falls, ending at US 321 near the Catawba River.

1940 Official
US 321 Caldwell County
1940 Official
1944 Caldwell County
US 321-A #1 bypasses Lenoir
1944 Caldwell County
1949 Caldwell County
US 321-A #2 through Lenoir
1949 Caldwell County
1957 Official
US 321-A extended through Hudson/Granite Falls
1957 Official

In June 1964 (NCDOT), US 321-A was placed on one-way splits through downtown Lenoir. NB used the original routing on Mulberry St north to W St. west to Main St. SB stayed on Main St through downtown, then College Ave east back to Mulberry.
In Sept 2006 (NCDOT), US 321-A north was rerouted to avoid Lenoir entirely, by replacing SR 1180 McLean Dr to cut over to US 321 south of Lenoir. SR 1180 was the original southern part of the Lenoir bypass. The old route became secondary except for small sections of US 64/NC 18 and NC 90.

1962 Caldwell County
US 321-A downtown Lenoir
1962 Caldwell County
1968 Caldwell County
US 321-A splits up
1968 Caldwell County
2011 Official
US 321-A truncated to south of Lenoir
2011 Official

Up until at least the late 1990s, most 321-A shields were square with the 4 characters and a dash squeezed on in there. There may not be any of these left.

Now a look at the decommissioned US 321-A routes:

The 1st US 321-A appeared in 1941 as a new bypass of Lenoir.
In 1948, US 321-A was renumbered as mainline US 321 in a route swap. Today it is US 321 still except the southernmost part of the original Lenoir Bypass is US 321-A McLean Rd. See scans above.

The 3rd US 321-A was created in 1956 when US 321 was given its first eastern bypass of Lincolnton.
It appears that US 321-A was downgraded to SR 1405/1406 Aspen St in 1960.

1953 Lincoln County
US 321 through Lincolnton
1953 Lincoln County
1957 Lincoln County
US 321-A through Lincolnton
1957 Lincoln County


Last Update: 1 March 2013

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