Which signal is referred to as the grow home signal?

The term "grow home signal" specifically refers to the Track 1 signal within the context of New Jersey Transit operations. This terminology is used by train operators to indicate the signal that allows trains to proceed towards their home station or terminal. The significance of this term lies in its association with train directional signaling, which is vital for maintaining safe and coordinated train movements within the transit network.

Understanding that Track 1 acts as a vital pathway for trains returning to their starting point helps to clarify the operational structure of the transit system, as it usually connects to key terminals or end points in the service network. The other choices do not hold the same designation or operational purpose, highlighting the distinct role Track 1 plays in the broader context of rail operations.