U.S. 17 ALT constitutes a long distance bypass of Charleston for U.S. 17 northeast from Beaufort County to Georgetown. Measuring 123.90 miles in length, U.S. 17 ALT connects Yemassee, Walterboro, Summerville and Moncks Corner in South Carolina's LowCountry.
U.S. 17 ALT overlaps with U.S. 21 north from U.S. 17 for 7.40 miles from near Pocotaligo to the town of Yemassee. U.S. 21 branches north to Orangeburg while U.S. 17 ALT parallels Interstate 95 northeast to Hendersonville and Walterboro.
U.S. 17 ALT South Carolina Guides
Connect with:
Interstate 26
U.S. 15
U.S. 17
U.S. 78
U.S. 176
Highway 61
Page Updated 12-05-2022.