Southgate opens for main entrance traffic Published Aug. 16, 2007 By 2nd Lt. Agneta Murnan 71st Flying Training Wing Vance Air Force Base, Okla. -- The Southgate Road entrance to Vance Air Force Base opened Wednesday for 24-hour base traffic as part of Vance's force protection enhancement project. The inbound and outbound traffic both run through a traffic circle when passing by the new gatehouse currently in construction. (U.S. Air Force photo by 2nd Lt. Agneta Murnan)