Route 66 Festival Springfield Missouri 2025. So, at the core of this research is one simple statement: Along route 66 from illinois to california, there is a great diversity of festivals and events, from car shows to contests to special events at museums and historical sites.

A free festival along historic route 66, includes classic cars, motorcycles, music, parades, artists, authors, collections. Crowds enjoyed the music of many of the area’s top performing acts on four stages: