This is a very old entry — images are small, formatting is off.
Established in 1976, Omnitrans is a public transportation agency in San Bernardino County, California, serving 15 cities with a fleet of 196 fixed route vehicles. Last month, Omnitrans introduced a new logo and livery for its buses. No design credit given. Story and images here. Saddest part of this: that old logo was capital-A Awesome.