Pocket signals: Which statement correctly describes protection at the pocket ends?

Pocket signals: Which statement correctly describes protection at the pocket ends?

• A. West end is protected by a westbound low home; east end has a bumping block
• B. West end protected by a high signal; east end by a color light
• C. There is a bumping block only on the west end
• D. There is no end protection described

Answer: (A)

Pocket end protection combines a control signal at one end with a physical safeguard at the other. Having a westbound low home signal on one end provides the required signaling control to stop or proceed trains approaching the pocket from the west, ensuring movements enter or leave the pocket only when it’s safe. On the opposite end, a bumping block serves as a physical barrier to prevent any unintended overrun or movement beyond the pocket, protecting both the pocket and adjacent tracks. Other descriptions that rely solely on a high signal or a color-light without the corresponding end protection, or those that mention only a bumping block on one end, don’t give the full protective setup required for pocket ends. The absence of any end protection would leave the pocket vulnerable to collisions or mis-entries.

Pocket end protection combines a control signal at one end with a physical safeguard at the other. Having a westbound low home signal on one end provides the required signaling control to stop or proceed trains approaching the pocket from the west, ensuring movements enter or leave the pocket only when it’s safe. On the opposite end, a bumping block serves as a physical barrier to prevent any unintended overrun or movement beyond the pocket, protecting both the pocket and adjacent tracks.

Other descriptions that rely solely on a high signal or a color-light without the corresponding end protection, or those that mention only a bumping block on one end, don’t give the full protective setup required for pocket ends. The absence of any end protection would leave the pocket vulnerable to collisions or mis-entries.