What Tennessee public school bus driver requirement is tied to annual safety training according to the Tennessee Highway Patrol Pupil Transportation page?

1. Mandatory four-hour driver safety training is provided annually, and failure to attend can result in loss of the S endorsement for a public school bus driver
2. A one-time motorcycle safety course replaces all school bus training
3. Annual training is optional if the route is short
4. Only mechanics who never transport students must attend annual safety training