CHICAGO (CBS) --If your commute includes a ride on the 'L,' you might end up in the middle of a big party on Tuesday. The CTA is celebrating 125 years of elevated trains in Chicago. On June 6 ...

By defining the downtown Loop more than a century ago, elevated trains and tracks gave the city a vibrant economic and cultural center. It's a core element that other cities don't have.

If you’re reading this on a CTA train, either going to work or on your way home, consider yourself lucky. I love the “L.” Just think about all the interesting people you gawk at o… ...

This week, Chicagoans will have listened to the instantly recognizable screech and rumble of the city’s overhead trains—as well as groans over the occasional delay—for exactly 125 years. In ...