US 521 ALT
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US 521 ALT  redesignated
Previous US 521 ALT's:

Final ROUTE LOG (611A #1)
US 521: 0 - 0
SC 265: 0.5 - 0.5
US 521: 0.8 - 1.3
 US 521 ALT: Appeared in July 1937 (SCDOT) as a new BELT routing on Matson St in Kershaw.
Between 1947-50, US 521 ALT was renumbered as mainline US 521.

1942 Lancaster County
US 521 ALT bypasses Kershaw
1942 Lancaster County
1950 Lancaster County
US 521 bypasses Kershaw
1950 Lancaster County

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Page last modified 19 February 2026