Pennsylvania Route 252 (PA 252) is a north–south route 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 various townships and boroughs in Delaware and Chester, and Montgomery counties, including Nether Providence Township, 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 in Tredyffrin Township.