Springfield’s Birthplace of Route 66 Festival organizers (the City of Springfield, Aaron Sachs & Associates, KY3/KSPR/CW, Downtown Springfield Association and West Central Neighborhood Alliance) will kick off the11th annual festival at 6 p.m. Thursday, Aug. 10 at the Aaron Sachs Stage in Motorcycle Village (Jefferson Avenue and McDaniel Street) with the free Rockin’ the Route 66 Kickoff Concert. The opening act goes on at 6 p.m. and the headliner will take the stage at 8 p.m. The car and motorcycle shows will be Aug. 11 and 12.