(MT. VERNON, IL) — Ameren substation and electrical departments will be constructing a new substation and rerouting electrical lines around the Ameren substation at South 11th Street and Vaught Avenue. In order to safely perform these construction activities, a section of Vaught Avenue will be closed between today and the beginning of October. The area to be closed will be from the 1000 block of Vaught Avenue going west to the north end of Grand Avenue. Questions regarding the street closure may be directed to Ameren.