Two projects will impact traffic on Md. 77 near Thurmont beginning Wednesday, according to the State Highway Administration.
A pipe replacement will close Md. 77 between Old Mill Road and Old Frederick Road between 9 a.m. and 3 p.m. Wednesday. Traffic will be detoured.
Meanwhile, a patching and resurfacing project on Md. 77 between Md. 76 and Sunny Way will begin Wednesday.
The work will cause single lane closures with a flagging operation from 8 a.m. to 5 p.m. Mondays through Fridays.
Flaggers will be posted on side streets along Md. 77 to direct traffic.