Previous SC 523's:
1946 ROUTE LOG
US 521: 0 - 0
SC 441: 2.2 - 2.2
Lee-Sumter Line: 4.9 - 7.1
Sumter-Lee Line: 1.2 - 8.3
SC 44: 0.7 - 9.0
Kershaw-Sumter Line: 1.2 - 10.2
SC 443: 3.6 - 13.8
US 521: 4.8 - 18.6
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SC 523: Appeared in July 1936 (SCDOT) as new primary routing running from US 521 Heath Springs south to the nearby Kershaw County line.
In 1947, SC 523 was downgraded to S-29-15 without ever having been extended any further.
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SC 523 at Heath Springs
1937 Official
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