Whenever your vehicle is placarded, do not drive near open fire unless you:

Question

Accepted Answer

C: Can safely pass the fire without stopping.. Most Hazmat substances that require placards react negatively to open flames. Do not drive near open flames, or if you have no choice be sure you can safely pass without stopping.

Whenever your vehicle is placarded, do not drive near open fire unless you:

Iowa CDL HAZMAT Test Info