A contractor will be working to paint the wall armor at Nickajack Lock at Tennessee River mile 424.7 Nov. 6, 2023, to Jan. 19, 2024. During this period there could be intermittent delays up to four hours between 6 a.m. and 4:30 p.m. Monday through Saturday. Vessels are requested to contact the lock at 423-942-3985 with estimated time of arrival to minimize wait times. Call Nickajack Lock at 423-942-3985 for more information.