Wrong move
Direct answer
The risky shortcut is using hand signals from the driver's seat as a substitute for required warning equipment. Student loading lights and stop-arm equipment are central safety systems; failure can make the bus unsafe or illegal for student loading service.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as School bus safety and drill a smaller set before returning to mixed practice.