New York State Police say a driver was killed in a crash involving a school bus in Steuben County Wednesday morning. Troopers say an Addison Central School District bus carrying 10 students was hit head-on by a vehicle on State Route 417 around 7:45 a.m. in the town of Erwin. Investigators say the vehicle was heading east on the road when it crossed over into the westbound lane and struck the bus. The driver of the vehicle was killed. The name of the victim has not yet been released.None of the students nor the bus driver were injured.