What is the maximum speed when operating at Slow speed?

Answer: B — 15 MPH

When operating at Slow speed, the maximum speed is 15 MPH. This limitation is significant for ensuring safety and maintaining control of the train under conditions that may require more caution, such as approaching work zones, navigating curves, or passing through potentially hazardous areas. Operating at this speed allows train crews to have adequate time to react to any unforeseen obstacles or situations. It adheres to regulations that are designed to enhance safety in railroad operations, particularly in environments where other workers or equipment may be present. This understanding is crucial for freight conductors, as it helps them follow protocols efficiently and ensures the safety of both train personnel and the general public in proximity to the railways.