Interstate 94 (I-94) is a part of the Interstate Highway System that runs from Billings, Montana, to Port Huron, Michigan. I-94 enters Indiana from Illinois in the west, in Munster and runs generally eastward through Hammond, Gary and Portage, before entering Michigan northeast of Michigan City. The interstate runs for approximately 45.75 miles (73.63 km) through the state. The landscape traversed by I-94 include urban areas of Northwest Indiana, wooded areas, and farmland.