What is the required stopping distance for vehicles carrying passengers for hire or flammable materials from railroad tracks?

The required stopping distance for vehicles carrying passengers for hire or flammable materials from railroad tracks is 15 feet, and 50 feet is the distance for those vehicles at which they must stop when approaching a railroad crossing. This regulation is in place to ensure safety, as these vehicles can pose a greater risk in the event of a train crossing since they may carry hazardous materials. Stopping at that distance allows adequate space and time for any unexpected situations, such as a train approaching.

In the context of the other options, the distances provided do not meet the required safety parameters as established by regulations. Correctly understanding these distances is essential for ensuring safety near railroad crossings, especially for larger or more hazardous vehicles.