Buses must not carry more than how many pounds of one class of allowed hazardous materials?

The correct answer, which states that buses must not carry more than 100 pounds of one class of allowed hazardous materials, is in line with regulations set by the Department of Transportation (DOT) and is grounded in safety considerations. Buses, being passenger transport vehicles, are subjected to specific rules governing the transport of hazardous materials due to the potential risks involved.

The restriction to 100 pounds helps to minimize the dangers associated with hazardous materials, should an accident or incident occur. This limit is designed to ensure that, in the event of a leak, explosion, or chemical release, the potential for harm to passengers and the public is reduced.

Larger quantities could increase risks significantly, as they could result in more severe consequences in case of an emergency. The intention of these regulations is to strike a balance between the needs of commerce and transportation while safeguarding public safety on the road.

As such, this weight limit ensures that the transportation of hazardous materials in passenger buses is conducted safely and within established legal frameworks.