Previous SC 431's:
1946 ROUTE LOG
SC 43: 0 - 0
US 1: 3.6 - 3.6
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SC 431 Appeared in 1940 as new primary routing, running from SC 43 (now US 378) southeast to US 1 near West Columbia.
In 1947, SC 431 was downgraded to S-32-30.
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SC 431 near West Columbia
1940 Official
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