In Durham, N.C. 751 closed near I-40, Duke Street closed near I-85 — Durham drivers are dealing with two major issues this afternoon. A gas leak has N.C. Highway 751 closed between Interstate 40 and Calibre Park Drive. The on-ramp to Interstate 40 West from N.C. 751 is closed and so is Southpoint Auto Park Boulevard at N.C. 751. Southbound lanes of Duke Street are closed between Leon Street and Interstate 85 are closed due to a traffic crash. The Duke Street exit from I-85 South is also closed.