On May 20, 2013, the City of Joplin will be turning the traffic signals on at 26th and Joplin and 26th and Wall. These signals will be fully functional and not flashing either way. Residents should be cautioned in this area with the changes in traffic control devices at these intersections. Any questions or concerns should be directed to the City's Engineering Department at 417-624-0820, ext. 584