Three short lines, and almost nothing happens in them. A station has been closed for years. That's the whole statement, and the poem leaves it sitting there without comment.
What makes it work is how plain it is. The speaker doesn't say they miss the station or explain why it shut. We're only told how long it has been closed, and "for years" quietly carries the weight. It suggests time has passed, and that someone has kept noticing, or at least remembering, that nothing arrives or departs there anymore. The poem never names a feeling, so the feeling is left for us to supply.
The mood is hushed and a little wistful. A station is a place built for movement and meeting people, so a closed one feels like an absence. The short lines and the stop at "years" add to that stillness, as if the poem itself has gone quiet. Judging by the text alone, the speaker seems to observe rather than mourn, but that calm may be hiding something sadder.