I don't usually stop and look around at the various "L" stations. They're pretty standard and, with all of the renovations over the years, very generic. However, I've always been curious as to why the Quincy stop was so much prettier than the others. I did a little research, and it's now my favorite station.
The Quincy station was part of the original elevated ("L") train system. The stations opened gradually in four sections throughout the 1890s, and Quincy opened in 1897.
In 1927 a bridge was built from the Quincy station to the then new Wells Street terminal. This allowed loop riders access to the Chicago Aurora and Elgin Railroad. An overhead bridge was installed so passengers could transfer from one side of the tracks to the other in order to get to the new Wells Street Terminal without having to go back down to the street.
The platform was also lengthened all the way to the next stop at Madison and Wells, and eventually all the platforms above Wells were connected. The CTA blocked off the unused platforms in the late 1960s.
The station was set to be completely redone in 1988, but because it was one of the few stations to retain its original appearance, the CTA decided to restore it. The restoration took two and a half years and was very detailed, even redoing the original advertising frames.
Today, the station gives travelers a good look of what the original "L" stops looked like. It's even listed as one of "150 great places in Illinois" by the American Institute of Architects.