The Railyard on 66 will host the official International Route 66 Mother Road Car Festival Party in Springfield, Illinois, on September 26, 2025. Festivities begin at 12:00 PM and run until 10:00 PM. Live music kicks off the day, with Not Petty playing from 11:00 AM to 2:00 PM, followed by Black Velvet from 3:00 PM to 6:00 PM. Cruise Night starts at 6:00 PM, featuring hundreds of classic cars passing by on 6th Street. Food vendors and cold drinks will be available, and some vendors will remain open as long as the cruise continues.