Pennsylvania Route 15, also known as PA 15, is a major north-south highway in the state of Pennsylvania. It stretches approximately 150 miles, connecting the cities of Williamsport and Gettysburg. The route serves as an important corridor for both local and regional traffic, facilitating travel through various towns and rural areas. The highway passes through several counties, including Lycoming, Union, and Adams. Along its path, PA 15 intersects with other significant roads, enhancing accessibility to nearby attractions and communities. It is also known for its scenic views, particularly in the Susquehanna River Valley region.