


Carowinds Boulevard continues 1.05 miles southeast from the North Carolina state line to become part of U.S. 21 south through the exchange with I-77.
05/30/21

A loop ramp joins Carowinds Boulevard south with I-77/U.S. 21 north into Charlotte, North Carolina.
05/26/19

U.S. 21 continues south from the exchange with I-77 at Carowinds Boulevard 0.35 miles to MSR 51 west of Pineville, North Carolina.
05/26/19

U.S. 21 travels 35 miles south from S.C. 160 at Fort Mill to Great Falls. Rock Hill is eight miles to the southwest along a former business route for U.S. 21.
11/20/21

Harris Street (Road 100) west and Harris Road (Road 100) east come together at U.S. 21 south of the traffic light for Fort Mill High School.
11/20/21

Continuing south, U.S. 21 meets the south end of U.S. 21 Business from Fort Mill at S Sutton Road (Road 49).
11/20/21

28.91 miles in York County, S.C. 161 runs west to York and north as NC 161 to Kings Mountain, North Carolina.
11/21/21

Back to back parclo interchanges link Interstate 77 with S.C. 161 (Celanese Road) and U.S. 21 (Cherry Road) in northeastern Rock Hill.
11/21/21

Future construction will rebuild the exchanges joining I-77 with Celanese Road and U.S. 21 (Cherry Road). Designs include a double diverging diamond interchange.
11/21/21

Interstate 77 runs along the east side of Rock Hill southward toward the capital city of Columbia.
11/21/21



Interstate 77 travels north from the folded diamond interchange (Exit 77) with U.S. 21/S.C. 5 (Anderson Road) at Rock Hill to Fort Mill and Charlotte, North Carolina.
05/30/21

Lesslie Road (Road 6) branches southeast from U.S. 21/S.C. 5 (Anderson Road) to the unincorporated community of Lesslie. Road 6 returns to U.S. 21 in 4.26 miles at Roddey.
05/30/21

Galleria Boulevard ties into the signalized intersection with Lesslie Road (Road 6) from the north.
05/30/21
Photo Credits:
05/26/19, 05/30/21, 11/20/21, 11/21/21 by AARoads
Connect with:
Interstate 77
U.S. 21 Business - Fort Mill
Highway 51
Highway 122
Highway 160
Highway 460
Page Updated 12-30-2021.