Public roads in Holly Springs are maintained by two entities: the Town of Holly Springs and the North Carolina Department of Transportation (NCDOT). The NCDOT is responsible for construction and maintenance of most major roads in Holly Springs. Changes to state-maintained roads require DOT approval. The Town of Holly Springs maintains most neighborhood streets.
Triangle Expressway Triangle Expressway - The state-owned toll road in operation that extends from N.C. 55 near Holly Springs northward to Research Triangle Park.
Interstate 540 Southeast Extension
The N.C. Department of Transportation's "Complete 540" project, also known as the Southeast Extension, will extend Interstate 540 from Holly Springs to Knightdale.