In single track 251 territory, where must a flagman be positioned if his train cannot clear the time and block of an opposing regular train by not less than five minutes?

In single track 251 territory, it is crucial to ensure the safe passage of opposing trains. When a train cannot clear the time and block of an opposing regular train by not less than five minutes, positioning a flagman correctly becomes vital to prevent potential collisions.

The flagman must be positioned to the front of the train at a minimum distance of 1200 feet. This positioning allows the flagman to signal any approaching trains, providing ample warning and time for them to react. By being stationed at this distance in front of the train, the flagman is both visible to the oncoming train and has enough time to alert the engineer to slow down or stop if needed. This distance ensures that the area is adequately protected and communicates the necessity of caution to other train movements.

Positioning the flagman in this way is consistent with safety protocols in 251 territory where trains share tracks and emphasizes the importance of proactive measures to prevent accidents.