I-76, or Interstate 76, is a major highway in the United States that runs from Pennsylvania to Colorado. It spans approximately 1,500 miles, connecting several key cities, including Philadelphia and Denver. The highway is an important route for both commercial and personal travel, facilitating the movement of goods and people across the country. Originally constructed in the 1950s, I-76 is part of the larger Interstate Highway System. It features various landscapes, from urban areas to rural regions, and provides access to numerous attractions along the way. The highway plays a crucial role in the economy and transportation infrastructure of the states it traverses.