Final answer:
Per 49 CFR, loaded HAZMAT vehicles must not be parked within 300 feet of places where people gather or live, to ensure safety and comply with DOT and EPA regulations.
Step-by-step explanation:
According to 49 CFR, you cannot park a loaded HAZMAT vehicle within 300 feet of bridges, tunnels, dwellings, or places where people gather. Per 49 CFR, loaded HAZMAT vehicles must not be parked within 300 feet of places where people gather or live, to ensure safety and comply with DOT and EPA regulations.
This regulation is part of the United States Department of Transportation hazardous materials regulations, which also align with the Environmental Protection Agency (EPA) hazardous waste regulations.
These rules are in place to ensure public safety and environmental protection in case the hazardous materials were to be released due to an accident or a vehicle malfunction.