Originally Posted by
badflaps
Chicago has an excellent trans system, cards available at airport CTA entrance, put as much money as you will need on it. It is a debit card so be careful putting it next to a reader. Fastest way around town by far. Might have to cab it to Museum of Science & Industry. Have fun, great time of year.
Agreed. If you decide not to use public transit I would highly recommend using Uber or Lyft.