Mississippi Gate construction continues Published Aug. 4, 2010 BUCKLEY AIR FORCE BASE, Colo. -- The Mississippi Avenue Gate remains on a one lane in, one lane out schedule as construction continues on the new gate facilities. As a reminder, the gate will maintain a 4:30 a.m. - 8:30 p.m. schedule through Dec. 10, and will be primarily used for construction vehicles. Drivers should expect delays. (U.S. Air Force photo by Airman 1st Class Manisha Vasquez)