I-476, also known as the Blue Route, is a major interstate highway located in Pennsylvania. It runs approximately 21 miles, connecting I-95 in Broomall to I-76 in Plymouth Meeting. This highway primarily serves the suburban areas of Philadelphia and provides access to various local communities. The construction of I-476 began in the 1960s and was completed in the early 1990s. It plays a crucial role in alleviating traffic congestion in the region and facilitates travel for commuters and commercial vehicles. The highway features several interchanges that connect to local roads and other major highways.