The incident happened in the 2798 block of N Sam Houston Parkway West Feeder before Veterans Memorial Drive.
METRO confirmed that a lift vehicle going westbound swerved to avoid a stalled vehicle, lost control, and overturned.
Both the bus operator and one passenger were reportedly able to exit the van with non-life-threatening injuries. METRO said EMS was called to provide them with transport.
METRO said the driver of the other vehicle involved did not report any injuries.