https://en.wikipedia.org/wiki/The_Loop_(CTA)
https://www.timeout.com/chicago/things-to-do/the-6-best-and-6-worst-el-stations
https://en.wikipedia.org/wiki/List_of_Chicago_%22L%22_stations
https://www.chicagoreader.com/chicago/how-to-fix-the-el-cta/Content?oid=3473194
https://www.chicagoreader.com/chicago/belmont-flyover-controversy-cta-modernization/Content?oid=21007763
http://www.nbcchicago.com/investigations/How-Chicago-Spent-400M-On-a-Subway-Superstation-to-Nowhere-293754431.html
https://www.google.ca/maps/place/Wrigley+Field/@41.9473741,-87.6557627,531m/data=!3m1!1e3!4m12!1m6!3m5!1s0x0:0xc5b3f053631c542a!2sGranville!8m2!3d41.9937622!4d-87.6591211!3m4!1s0x0:0x1cea3ee176ddd646!8m2!3d41.9484374!4d-87.6553336
