What should the driver of a manual-transmission bus do while crossing railroad tracks?
Correct answer: D – Remain in the same gear throughout the crossing
Federal regulations require the driver to cross in a gear that permits the bus to complete the crossing without changing gears. Shifting on the tracks increases the risk of stalling and must be avoided. Choose the proper gear before entering and do not shift until the entire bus has cleared the tracks.
Source: Mississippi Commercial Driver’s License Manual — § 4.3.5, “Railroad-highway Crossing/Stops”, 49 CFR § 392.10(a) – Railroad grade crossings; stopping required

