There is a parking ramp 1 block directly behind the theater.
Stolp street has a parking garage. $3.
There are a couple of garages near by, along with street parking all around. Some of the street parking is only for 2 hours before a certain time, which I think is 8pm. Hollywood casino has a parking garage across from it and a garage behind the theater. I believe Hollywood casino is $5 and the other is $2-3
They have valet, or there's a parking garage across the street or you can park on the street.
During the afternoon shows you can park at the casino and walk to the theatre. Not sure about night time sorry.
Valet parking is available and only costs $11.00.
There's a lot on the corner a couple of blocks away that was free on Sunday.
You get a parking pass if you are a season ticket holder. There is valet parking and garage parking.
If you are a subscriber, you get a parking pass good for the Old Second Bank lot or another lot close by. Or, like people have mentioned, park on the street.
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