.svg) Interstate 77 | ||||
|---|---|---|---|---|
| Blue Star Memorial Highway | ||||
 I-77 highlighted in red | ||||
| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 91.2 mi[1][2] (146.8 km) | |||
| Existed | 1975–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |  I-26 in Cayce | |||
| North end |   I-77 / US 21 at the NC state line | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Lexington, Richland, Fairfield, Chester, York | |||
| Highway system | ||||
| ||||
Interstate 77 (I-77) is a north–south Interstate Highway, extending 91.2 miles (146.8 km) in the state of South Carolina, from the southern terminus at an interchange with I-26 near Columbia, north to the North Carolina state line near Rock Hill and Charlotte, North Carolina.
- ^ "Interstate 77 in South Carolina" (Map). Google Maps. Retrieved February 7, 2013.
- ^ "Route Log – Main Routes of the Eisenhower National System Of Interstate and Defense Highways – Table 1". Federal Highway Administration. Archived from the original on May 27, 2012. Retrieved October 4, 2014.