Start On Nc‑40 S / Us‑15‑501 S, Heading Southwest Toward Chapel Hill. Continue On Us‑15‑501 S Until You Reach The Nc‑86 N / Us‑15‑501 S Exit Toward Chapel Hill/Pittsboro. At The Exit, Turn Left Onto Nc‑86 S / Us‑15‑501 S / S Columbia St. Proceed Onto Us‑15‑501 N (Also Known As Columbia Street) Heading South. Turn Right Onto Andrews Store Road. Continue And Turn Right Onto Granite Mill Blvd. The Destination, 442 Granite Mill Blvd, Will Be On Your Right.