Pennsylvania Route 313 is a mostly 2-lane, 18-mile-long (29 km) state highway entirely within Bucks County, Pennsylvania. The western end of PA 313 is at an intersection with PA 309 and PA 663 in Quakertown. The eastern end is at an intersection with PA 263 in the Doylestown Township community of Furlong. PA 313 is signed an east–west road, although it runs almost purely northwest–southeast through most of its course. It is a major arterial road in central and northern Bucks County as it connects several communities including Quakertown, Dublin, and Doylestown.

Pennsylvania Route 309 is a state highway that runs for 134 miles (216 km) through eastern Pennsylvania. The route runs from an interchange between PA 611 and Cheltenham Avenue on the border of Philadelphia and Cheltenham Township north to an intersection with PA 29 in Bowman Creek, a village in Monroe Township in Wyoming County. The highway connects Philadelphia and its northern suburbs to Allentown and the Lehigh Valley, and Hazleton and Wilkes-Barre in Wyoming Valley.