Previous SC 515's:
1946 ROUTE LOG
SC 261: 0 - 0
SC 511 SB: 17.4 - 17.4
US 521 NB, SC 511 NB: 0.2 - 17.6
US 521 SB: 0.4 - 18.0
US 521: 6.9 - 24.9
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SC 515: Appeared in 1939 as new primary routing, running from SC 511 (now SC 41 Bus) Andrews west 5 miles.
In 1940, SC 515 was extended west as new routing to Trio.
In 1942, SC 515 was extended as new routing west to SC 261 (now SC 377) Lane and also east through Andrews in a loop to US 521.
In 1947, SC 515 was downgraded west of Andrews to S-22-16, S-45-16, S-45-22 and S-45-31 (the Williamsburg County portion is all S-45-16 now). East of Andrews became S-22-20 and S-20-22.
SC 515 appears west of Andrews
1939 Official
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SC 515 extended to Trio
1940 Official
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SC 515 expanded in both directions
1942 Official
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