PennDOT: Patching
Route 45 between Penns Cave Road in Gregg Township and the Centre-Union County line approximately 1.5 miles east of Winkelblech Mountain Road in Haines Township. Tuesday, May 26, through Friday, May 29. Flaggers in the roadway will provide traffic control during daylight hours and may deploy a pilot vehicle. When encountering a pilot vehicle with a “Pilot Car Follow Me” sign mounted on the rear and a revolving yellow light, drivers must remain behind it until it has left the roadway. Do not pass.
Most permanent pothole patching is completed in spring or summer when temperatures stay consistently above freezing. Manual patching consists of filling potholes with warm mix asphalt using a shovel. It is then leveled and compacted. Mechanized patching consists of milling paving notches, cleaning the surface, applying tack to all edges to act as a glue. A paver then places warm mix into the milled paving notches, and a roller compacts the material. If patching was not performed, the damaged road surface would deteriorate further, and PennDOT would need to completely rebuild the road or perform more costly corrective measures.