Can Extra 410 W proceed from YA after meeting No 256?

The correct answer indicates that Extra 410 W can proceed from YA after meeting No 256 because the meet is void. In rail operations, a "meet" refers to an arranged passing of trains on the same line. If the meet is declared void, it means that the scheduled meeting or crossing of the two trains is no longer applicable, allowing the train to continue its journey without needing to stop or adjust its schedule as a result of the planned meet.

In this context, understanding the implications of a void meet is essential. It suggests that either circumstances have changed, such as a delay of one of the trains or another operational adjustment, which has rendered the planned meeting between Extra 410 W and No 256 unnecessary. Consequently, Extra 410 W can continue its progress from YA without waiting or modifying its course based on the now-invalid meet.

Contextually, the other options would relate to scenarios where there are various restrictions or conditions preventing the train from proceeding. For instance, losing its schedule or requiring special instructions typically implies that the train would need further authorization or adjustments to proceed safely. However, the declaration of a void meet clearly establishes that there are no barriers preventing Extra 410 W from moving ahead, validating the answer that it can proceed after the