From GA DOT:
Contractors for Georgia DOT will be installing traffic loop detectors on SR 21 in Port Wentworth. This shift is scheduled from 7:00 a.m.- 3:00 p.m. Monday, November 21, in the SR 21 Northbound lanes and 9:00 a.m. until 5:00 p.m. in the SR 21 Southbound lanes Tuesday, November 22, 2016, weather permitting. The work zone is between Highway 30 and Hendley Road.
This temporary lane closure is necessary for the contractor to reconstruct the existing interchange to a diverging diamond interchange to improve traffic.
DOT officials advise motorists to reduce speeds as they travel through this area and all work zones. Message signs, barrels and/or cones will be utilized to alert the public of the upcoming changes. Drivers should be aware that personnel and equipment will be operating in close proximity to travel lanes.