Interstate 540 (North Carolina)
Interstate 540 (I-540) and North Carolina Highway 540, also known as the Raleigh Outer Loop, is a partially-completed beltway around the city of Raleigh, North Carolina, United States. When complete, it will fully encircle the city and nearby suburbs, meeting its parent route of I-40 in two locations. The first 25.84-mile (41.59 km) section from Durham to Knightdale is an Interstate Highway, and the remaining 32.9-mile (52.9 km) section from Garner to Durham is a North Carolina state highway.
Source: Wikipedia
Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.