PennDOT District 11 is advising motorists that pavement marking work on Route 68 (Third Street) in Beaver Borough, Beaver County will begin today, weather permitting. Pavement marking removal and replacement operations will occur on Route 68 between Buffalo Street and Dravo Avenue weekdays from 9 a.m. to 3 p.m. through Friday, May 3.  Single-lane restrictions will occur.