You have the right to vote if you are in line by the time polls close at 7 p.m.
You can take unpaid time from work to vote, but no more than two successive hours.
If you make a mistake on a paper ballot and the ballot has not yet been cast, you have the right to receive a replacement ballot.
The Illinois Attorney General says that 140 teams of attorneys and investigators will be monitoring elections in Chicago and Springfield.
If you observe or encounter any suspected improper or illegal activating in Tuesday's contests, you can call the Attorney General's Office:
Chicago voters can call: 1-866-536-3496
Springfield voters can call: 1-866-559-6812