Street Sweeping

Check your street to make sure your car doesn't get a parking ticket. Plenty of examples on Google Maps of violators. Here is a site where you can plug in your address to see when the sweeper will be coming by. In general streets are cleaned once a month from April until November

Chicago street sweeping season 2013: April 1st, 2013 - Novermber 20th, 2013
Sweeping times: 9AM to 3PM on street cleaning dates
How: One side will get swept each day (look for dates above)
Restriction: No parked cars are allowed on the street during sweeping times
Penalty: $50 Street Sweeping Ticket or Towing Fee