A South Bend police spokesman said the officer has been relieved of duty on an unrelated charge.
It happened at 46th Street and North German Church Road around 6:30 p.m. Thursday.
Driver James Hinchcliffe was behind Castroneves when it happened, and Hinchcliffe’s spotter, Bob Perona, was above in the grandstands.
It was built in the 1950s, and has looked almost the same ever since.
The new division will offer additional training for victim advocates on issues like human trafficking.
A statement from the program said the pair were dismissed immediately for “not living up to their responsibilities to the program.”
Thomas said he’d made a decision about running for governor by the end of June.
The state has previously said it would spend $2 million on a public relations strategy.