DAUPHIN COUNTY, Pa. (WHTM) — The Pennsylvania Department of Transportation (PennDOT) has announced that the ramps from northbound Interstate 81 to North Front Street and South Front Street (Exit 66) in Dauphin County will be closed for overnight work.

The work will now take place from 9 p.m. Wednesday, Aug 23 to 6 a.m Thursday, Aug. 24. Work on the ramps from northbound I-81 to North and South Front Street will be from 9:00 PM Wednesday to 1:00 AM Thursday.

Road work will then switch to the ramps from southbound I-81 to North and South Front Street. This work will be performed from 1:00 AM to 6:00 AM Thursday.

According to PennDOT, the closure is scheduled to allow a contractor to install overhead sign structures on the highway.

As a detour, PennDOT said motorists traveling during the closure should proceed north on I-81 to Exit 67B (westbound Route 22/322/Lewistown/State College), take westbound Route 22/322 to the Route 39 (Linglestown Road) exit, then take eastbound Route 22/322 to southbound I-81 to Front Street.