- A Right at the edge
- B Within 50 feet but not closer than 15 feet of the nearest rail Correct answer
- C No stop required
- D On the tracks
Why this is the correct answer
Federal regulation requires school buses to stop at all railroad crossings, even if no train is in sight.
How this topic appears on the test
The School Bus CDL exam covers Railroad crossings as a recurring theme. Test-writers favor questions that probe whether the applicant has internalized the safe operating procedure, not merely memorized the rule. When you encounter a question on this topic, slow down and verify that the answer you've chosen describes what a careful, defensive driver would actually do — not what is technically permissible.
If you missed this question, that's exactly the right outcome of a practice session: the goal is to surface gaps before the actual test. Open your state CDL manual to the Railroad crossings section and re-read the relevant subchapter. Then come back and run through the rest of the School Bus practice exam.
For drivers preparing for the School Bus CDL exam, additional context — including federal manual excerpts, employer hiring practices, and DOT medical guidance — is widely available from industry resources. Continue reading on a recommended industry resource for further detail. Always cross-check anything you read with the current edition of your state CDL manual, since enforcement guidance is updated periodically.