Chicago's bike share is very well built out (IMO) and if you're in a neighborhood serviced by it (many low income neighborhoods just aren't deployed at all) you

Chicago's bike share is very well built out (IMO) and if you're in a neighborhood serviced by it (many low income neighborhoods just aren't deployed at all) you should be no more than two blocks from a station: http://www.divvybikes.com/stations http://www.divvybikes.com/stations