I-79, or Interstate 79, is a major highway in the United States that runs through the states of Pennsylvania and West Virginia. It stretches approximately 275 miles, connecting the city of Erie, Pennsylvania in the north to Charleston, West Virginia in the south. This interstate serves as a vital route for both local and long-distance travel. The highway facilitates access to several important cities and regions, including Pittsburgh and Morgantown. I-79 is known for its scenic views, particularly in the Appalachian Mountains, making it a popular choice for travelers exploring the area. It also plays a crucial role in regional commerce and transportation.