About: Pennsylvania Route 320

Pennsylvania Route 320 (PA 320) is a north–south state highway in southeastern Pennsylvania. The southern terminus of the 18.8-mile (30.3 km) long route is at U.S. Route 13 (US 13)/PA 291 in Chester. The northern terminus is at PA 23 in Swedeland. The route passes through suburban areas in Delaware and Montgomery counties to the west of Philadelphia, serving Swarthmore, Springfield, Broomall, Villanova, and Gulph Mills. PA 320 intersects many important highways including US 13 Business (US 13 Bus.) and Interstate 95 (I-95) in Chester, US 1 in Springfield, US 30 in Villanova, and I-76 in Gulph Mills. PA 320 runs parallel to I-476 (Mid-County Expressway) for much of its length and crosses it four times. Even though there are no direct interchanges between I-476 and PA 320, several roads that