Previous SC 617's:
  1946 ROUTE LOG 
SC 82: 0 - 0 
SC 823 SB: 4.1 - 4.1 
SC 823 NB: 0.3 - 4.4 
SC 287 WB: 1.7 - 6.1 
SC 287 EB: 0.5 - 6.6 
SC 662: 2.3 - 8.9 
SC 28: 0.4 - 9.3 
	
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SC 617: Appeared in 1942 as new primary routing from SC 82 (now SC 81) east to SC 28 across northern McCormick County.
 In 1947, SC 617 was downgraded to S-33-40, S-33-19, and S-33-37.
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 SC 617 in northern McCormick County
  1942 Official
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