Vehicles displaying a diamond-shaped sign indicating a hazardous load:

Must stop before crossing railroad tracks.
Have the right-of-way in all intersections.
Are not allowed to exceed 40 MPH.
Are not allowed to drive on freeways.
Explanation

When approaching railroad tracks, be alert for other vehicles that may be stopping before the RR crossing. The requirement to stop before railroad tracks applies to specific types of vehicles, such as school buses and trucks carrying hazardous materials.

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🟡 This question is moderately difficult — 29.1% of our users answer it incorrectly.

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