Town of Cornelius issued the following announcement on Jul. 15.
Charlotte Water is installing a new water line at the intersection of Walnut St. and 115 in Davidson (just before downtown). Work is scheduled to start the evening of Friday, July 16th and be done Sunday, July 18th.
The official detour is Catawba Ave. to I-77 to Griffith St., but 115 will be open to local traffic except at the intersection of Walnut St., where it will be completely closed.
Please plan accordingly.
Original source can be found here.