Neither driver was injured when a Sioux City school bus struck a car the noon hour on Monday.
Sioux City Police say the crash happened around 12:15 p.m. near a railroad crossing in the 2200 block of Hawkeye Drive.
School officials say the driver thought he was too far onto the railroad tracks and backed up into the car.
The car ended up smashed under the bus' back bumper.
There were no children on board the bus during the accident.
The bus driver received a traffic citation from police.