CHARLESTON COUNTY, S.C. (WCBD) - The new Johns Islands roundabout at Main, River, and Chisolm roads opens Monday, Oct. 19, at 6:00 a.m. as part of the U.S. 17 and Main Road Improvements Project. “This roundabout will make a real difference for the people who travel this corridor every day,” said Charleston County Council Chairman [...] ...read more read less