Scheduled road and lane closures pose potential traffic impediments Additionally, officials say they want to give motorists a heads up about some lane closures in Dorchester County. (Source: Live 5) By Riley Bean | May 11, 2021 at 6:00 AM EDT - Updated May 11 at 6:00 AM CHARLESTON, S.C. (WCSC) - Officials say Lowcountry drivers need to watch out for a few scheduled overnight lane closures. The first is scheduled in Downtown Charleston. Officials say westbound lanes on I-26 will be closed from 7 p.m. Tuesday until 7 a.m. Wednesday. They say the closures will be between the North Meeting Street Exit and the Rutledge Avenue Exit.