Which statement best describes Ohio pre-service training timing for a new school bus driver?

1. Ohio pre-service classroom and on-bus components must be completed before the driver transports pupils, with route observation and supervised route driving before solo service
2. The driver may transport pupils first and complete all training after the first month
3. A CDL permit alone replaces Ohio pre-service school bus training
4. Only the employer's verbal approval is needed before the driver transports pupils