Pasadena Doo Dah Parade 2012 WHEN: April 28th, 2012 WHERE: Pasadena, CA (East). Colorado Boulevard (between Altadena and San Gabriel Boulevards) in East Pasadena. Parade steps off: 11:00AM COST: Always FREE-of-charge!! Parking and transit: Plenty of street parking is available ~ Parade route is also…