During the morning rush at Chicago's Union Station, commuter trains pull in, the doors open and a crush of people, newspapers and coffee cups in hand, pour off like a flood.
Financial analyst Nader Kouklan says he makes the trip from the suburbs to Chicago's downtown every day.
"It's easier and just a faster way to get to work, rather than having to deal with the traffic of the morning commute," Kouklan says.
Law student Amalia Romano rides Chicago's Metra line, too.
"I take it because I don't want to pay $16 to park every day," Romano explains.