The second crash occurred at about 10:30 a.m. in the 1600 block of Madison Avenue and shut down traffic in both directions.
Police said Sabrina Trotter, 44, the driver of an Indianapolis Public Schools bus,
stopped on the road to take a cell phone call from her mother.
Police said the driver of a Hummer, John Northrop, 54, was going northbound and was tuning his radio when he plowed into the back of the bus.
Northrop suffered minor injuries.
Police ticketed Trotter for an improper stop.