Wrong move
Direct answer
The risky shortcut is creeping forward because another truck appeared to fit. Do not proceed unless clearance is verified for the actual vehicle height, including load, suspension, road crown, and posted restrictions.
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 Route safety and drill a smaller set before returning to mixed practice.