In the future:
This map is a prediction of how the town of Gurb could be in the future. We can also see the train tracks and the C-17 and some other roads that could also change.
In the present:
This is the current map of Gurb. Comparing it to the past map, we can see that almost nothing has changed, except the C-25.
In the past:
This is a map from 1914. As we can see, it is the map with less roads, because, in the past, there were less cars and the people used the train more.