Pennsylvania Route 286 is a 69-mile-long (111 km), east–west state highway located in Allegheny, Westmoreland, Indiana, and Clearfield counties in Pennsylvania.

Allegheny County is a county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, after Philadelphia County. Its county seat and most populous city is Pittsburgh, Pennsylvania's second most populous city. The county is part of the Greater Pittsburgh region of the state, and is the center of the Pittsburgh media market.