A driver hauling Division 1.2 explosives leaves the truck unattended for only 5 minutes to grab food inside a truck stop. Under 49 CFR 397.5, is this a violation?

49 CFR 397.5(d)(1)

Theft or an accident involving unattended explosives can happen in far less than 5 minutes. Because the rule has no time carve-out, drivers can't rationalize a quick stop as safe. Treating every unattended moment as a violation is what actually prevents the catastrophic outcomes the rule is designed to avoid.