Pennsylvania Route 252 (PA 252) is a north–south state highway in the U.S. state of Pennsylvania that connects PA 320 in Nether Providence Township at its southern terminus to PA 23 in Valley Forge at its northern terminus. The route runs through the western suburbs of Philadelphia in Delaware, Chester, and Montgomery counties, including Nether Providence Township, the borough of Media, Upper Providence Township, Marple Township, Newtown Township, Easttown Township, Tredyffrin Township, and Upper Merion Township. The route intersects many roads including U.S. Route 1 (US 1) north of Media, PA 3 in Newtown Square, US 30 in Paoli, and US 202 near Berwyn.