When is it permissible to work in close proximity to moving trains?

Working in close proximity to moving trains is permissible only when proper safety measures are in place. This is crucial for ensuring the safety of all personnel near rail operations. Safety measures may include establishing safe zones, using proper signaling and communication protocols, and wearing personal protective equipment. These safeguards are designed to mitigate the risks associated with the high dangers of working near moving trains, as trains can be fast, heavy, and difficult to stop quickly. By adhering to these established safety measures, the likelihood of accidents or injuries can be significantly reduced, creating a safer working environment for everyone involved.