COURSES Driver Improvement Agency is committed to excellence in training, research and technical assistance. Our services are delivered in a variety of formats as well as customized training.   Commercial Driver's License (A, B, and C plus Endorsements) Vehicle Evacuation Procedures     Defensive Driving Roll-Over Training (15 Passenger Van)     Mature Driver Training Pre-Trip Inspection/Preventive Maintenance     Disability Awareness Training Passenger Relation/Sensitivity Training     Substance Abuse Awareness Operation and Maintenance of Lifts and Securement Devices     Supervised Behind the Wheel Training