LOUDON COUNTY, Highway 321 between Highway 11 and City Park Drive: On Wednesday, April 2, 2014 and Thursday, April 3, 2014, motorists should be alert for nightly lane closures in this area between the hours of 7 p.m. and 6 a.m. the following morning as crews remove barrier rails and install guardrail in this area. Motorists should be alert for possible lane closures at various times through this project. Motorists should be alert for changing conditions, workers present, construction equipment and use extreme caution through this area.