<qa>  What was the DVD-based component designed for use by a transportation supervisor or driver trainer?The components of the In the Drivers Seat bus driver training program could be implemented by a transportation team without the need of an expert and could be used to train new personnel or review and refresh veteran personnels skills. The DVD-based component was designed for use by a transportation supervisor or driver trainer in a group setting with drivers and augmented the material presented in the drivers program. 