List of Interstate Highways in South Carolina information
Interstate Highways of South Carolina
Highway shields for I-26, I-385, and I-20 Bus. Spur
Interstate Highways highlighted in red; future sections in blue; unbuilt sections in orange
System information
Maintained by SCDOT
Length
862.60 mi (1,388.22 km)
Formed
June 29, 1956 (1956-06-29)[1]
Highway names
Interstates
Interstate XX (I-XX)
Business Loop:
Interstate XX Business Loop (I-XX Bus.)
Business Spur:
Interstate XX Business Spur (I-XX Bus.)
System links
South Carolina State Highway System
Interstate
US
State
Scenic
There are 11 Interstate Highways—5 primary and 6 auxiliary—that exist entirely or partially in the U.S. state of South Carolina. As of December 31, 2013, the state had a total of 850.80 miles (1,369.23 km) of interstate and 11.80 miles (18.99 km) of interstate business, all maintained by the South Carolina Department of Transportation (SCDOT).[2]
^Weingroff, Richard F. (Summer 1996). "Federal-Aid Highway Act of 1956, Creating the Interstate System". Public Roads. Vol. 60, no. 1. Washington, DC: Federal Highway Administration. ISSN 0033-3735. Retrieved March 16, 2012.
^Starks, Edward (January 27, 2022). "Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved January 23, 2023.
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