After Pittsboro, US 15/US 501 becomes an expressway, connecting the cities of Chapel Hill and Durham; this section of the route is famous because of the two universities it connects: University of North Carolina at Chapel Hill and Duke University. Though the road is a symbol of the separation of the Carolina–Duke rivalry, the North Carolina Department of Transportation has been trying to remedy that by making the route a superstreet for better traffic flow.
This section of US 15/US 501 is famous for connecting two prominent higher education institutions: the University of North Carolina at Chapel Hill and Duke University. Although the road has long been associated with the rivalry between these universities, the North Carolina Department of Transportation is seeking to address this by reconfiguring the route as a superstreet to improve traffic flow.