Motorists in southern Butler County should be aware of the partial closure of a busy highway this weekend.
The closure of Route 19 in Marshall Township, Allegheny County from Thorn Hill Road to Warrendale Bayne Road begins Friday at 8 p.m. and will continue until 5 a.m. Monday.
Crews will be working on bridge beams from the overhead bridge that carries the PA Turnpike over Route 19.
Drivers are advised to follow posted detours.
