How many points of tie downs does DOT require?

The correct number of points of tie downs required by DOT regulations is four. This standard ensures that cargo is securely fastened during transport to prevent shifting, which can lead to accidents or cargo loss. The requirement for multiple tie-down points is grounded in safety principles and helps distribute the load's weight evenly, providing better stability and control while driving.

The rule utilizes the concept that more tie-down points create a greater anchor for the load, significantly reducing the risk of movement. Each point is responsible for securing a portion of the cargo, thereby minimizing the chance of malfunction or failure during transport.

The other options suggest fewer tie-down points, which would not provide the same level of security and safety that four points afford. Hence, while different scenarios and loads may seem manageable with fewer tie-downs, adhering to the DOT's requirement for four ensures compliance with safety regulations and reduces risk on the road.