When traveling with Division 1.1, 1.2, or 1.3 explosives, a vehicle should not be:

When carrying Division 1.1, 1.2, or 1.3 explosives, you should never park within five feet of the traveled portion of the road. Except when parking for short periods to address vehicle necessities, you should not park within 300 feet of a bridge, tunnel, or building; a place where people gather; or an open fire.
DMV Writen Test