A lane closure will begin at 8 p.m. Tuesday night on southbound Interstate 81 for construction related to the five-mile truck climbing lane project on southbound I-81 in Montgomery County between mile markers 120 and 125.

The closure will be in place until 6 a.m. Wednesday.

The lane closure was originally scheduled to begin at 10 p.m.

Contractors will continue paving operations in the area, according to a news release.

Additional lane closures are schedule for Wednesday and Thursday. They will begin at 10 p.m. each night and continue until 6 a.m. the next morning.

Work on the truck climbing lane project is expected to be completed in November 2013.