When the correct train shows up, it may be boarded for the next destination. Time zones change depending on what area of the country Agent USA is in. State capitals will also have an info booth which shows a map of the US along with fuzzed cities and the location of the Fuzzbomb (which moves around the country).
When the correct train departs, passengers can board for their next leg. The time zone changes depending on the area where Agent USA is active. Moreover, state capitals often feature an information booth displaying a map of the US, along with obscured locations and the Fuzzbomb's movement patterns.