500
How far away are you allowed to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?
What is at least 300 feet.
When driving with a load of Division 1.1, 1.2, or 1.3 hazardous materials, which are explosives, you must park at least 300 feet away from any bridge, tunnel, or structure. You must maintain the same distance from any gathering place or open fire.