PennDot has several maintenance and paving projects occurring in the region. Beginning Wednesday September 18, and lasting through September 30, paving on Interstate 70 will occur between Exit 20 (Beau St.) and Exit 18 (North Junction-Pittsburgh). Only one lane will be open during the construction and motorists are advised to expect significant delays. Paving will begin on the westbound side on September 18 and last through September 23. Eastbound paving will begin September 25 and run through September 30. Additionally, pavement marker installation will begin on Interstate 70 from New Stanton to the West Virginia state line. It will also occur on Interstate 79 from the Allegheny County line to the West Virginia state line. This will be overnight work beginning on September 16 and lasting through early October.