What detail is he implying with the phrase “where the railway station had been”?

The speaker is implying that the railway station is no longer in the place where it was, because it was destroyed.

Explanation:

In the phrase "where the railway station had been" the speaker the expression "had been" determines that the speaker is speaking of the past, which no longer exists. On the basis of this, we can conclude that the speaker of the phrase is referring to a railway station that no longer exists, probably that railway station was destroyed by the war and that changed the lives of the people of that place.

i would like to compare these two interpretations of the crucible : 1) eric christ's interretation and wade bradford's interpretation. the main differences between there interretaions is that in the first one you can notice direct link to joseph mccarthy whereas the second one represents how the town is filled with hysteria.the second interpretation shows that author believes that the story   about puritan town in salem is based on actual events while the first example shows the sencible reference to sort of bias.