en.wikipedia.org/wiki/Chicago_%22L%22

The Chicago "L" (short for "elevated") is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois.

www.transitchicago.com/maps

cta, chicago transit authority, maps, metro map, subway map, bus map, rta, transit , sightseeing, chicago. ... The CTA 'L' System map shows train routes only.

www.transitchicago.com/howto/riding-the-train

CTA's train system is known as the 'L' (a now-official name originally short for " elevated"). Trains serve over 140 stations located throughout the city and nearby  ...

www.architecture.org/learn/resources/buildings-of-chicago/building/the-chicago-l

The Chicago L is now 125 years old. This network of elevated trains and subways is how Chicagoans get around. But it's also an iconic symbol of the city.

www.chicago-l.org

Comprehensive resource for information on the Chicago rapid transit system -- the 'L' -- including history, stations, rolling stock, maps, current news, FAQ, ...

www.chicagotribune.com/news/ct-xpm-2012-02-14-ct-talk-cta-el-or-l-0214-20120214-story.html

Feb 14, 2012 ... You may have wondered, as you climb aboard a CTA train: Are you about to ride the "El" or the "L"? Grid Chicago, a blog devoted to ...

www.choosechicago.com/plan-your-trip/trip-ideas-and-itineraries/classic-and-unique-chicago/sightseeing-along-the-l-train

Chicago has an excellent public transportation system, including the 'L' or elevated train tracks that run throughout the city. Go sightseeing in Chicago for just the ...

www.ask.com/youtube?q=Chicago+L&v=lDtNWrW-T0Q
Jul 20, 2017 ... The Chicago "L" (short for "elevated") is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. ...

loopchicago.com/in-the-loop/then-and-now-a-brief-history-of-the-chicago-l

And so the first 'L' train (then Chicago and South Side Rapid Transit Railroad) was built in 1892, and its inaugural journey took place on June 6, spanning 3.6 ...