Stop point
Direct answer
Stop when hazard class, shipping papers, segregation, placarding, or route rules are unclear. Use the current equipment manual, code book, employer procedure, and qualified supervision before applying this on live work.
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 Hazmat transport and drill a smaller set before returning to mixed practice.