What should a driver do if road construction unexpectedly blocks their planned, approved hazmat route mid-trip?
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Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 151 (Hazardous Materials): Follow any posted detour or contact dispatch or authorities for guidance on an acceptable alternate route
Why
Following posted detours or contacting dispatch or authorities for guidance helps ensure any necessary deviation still respects hazmat routing requirements, rather than picking an unapproved road without checking.
Updated: November 2026