AMTRAK. Those who plan to extensively travel by train will most likely use Amtrak trains which are among the most popular long-distance trains. What is more, Amtrak trains offer several train classes to select from, including 1st and 2nd. In the 2nd class, seats are usually placed 2+2 in each row, 1st class generally has seats 2+1. All Amtrak train cars are air-conditioned, have comfortable seats as well as spacious areas for passengers’ luggage. Most trains have a Bistro or Restaurant car where travelers can buy food and drinks during the trip, plus have trolleys with snacks for purchase too. Moreover, the train staff speaks one or two languages, including English.