| Previous US 178 ALT's: 
 1947 ROUTE LOG
 US 178: 0 - 0
 END US 178 ALT: 1.6 - 1.6
 
 |  | 
US 178 ALT: Appeared in 1937 as a new route running from US 178 to Stedman in Lexington County.
In 1947, US 178 ALT was downgraded to S-32-19.
 For some reason the enumeration map of Lexington County called it US 76 ALT.  Shown but not labeled on official maps.
 |   US 178 ALT in Stedman
 1938 Lexington County
 |