PennDOT is planning road maintenance work this week in the county, including pipe flushing on Route 308 in Center and Marion townships, Route 38 in Allegheny Township, Route 268 in Parker and Buena Vista Road in Fairview Township; patching on McCalmont Road in Butler Township, Hallston Road in West Sunbury, Boyers Road in Marion Township and Benbrook Road in Center Township; shoulder cutting on Prospect Road in Brady and Franklin townships; pipe replacement on Renfrew Road in Penn Township; patching on McCalmont Road in Butler Township; milling and filling on Ekastown Road in Buffalo Township; mechanical patching on McCalmont Road in Penn and Butler townships; and bridge deck washing on Interstate 79 in Muddy Creek Township.