CHICAGO (STMW) — Metra will be offering a special $10 unlimited train pass for Lollapalooza.

The unlimited ride ticket will be good for all three days of the event, which is being held at Grant Park and begins July 31 and ends Aug. 2, according to a statement from Metra.

READ MORE: When Will Metra Add More Trains Back To Its Schedule? The Plan Is To Do It Gradually

Tickets will go on sale at Metra ticket windows July 6. The tickets will also be sold onboard Metra trains on July 31 after 9:30 a.m., Metra News Affairs Conductor VeeJay Zala said.

READ MORE: Boil Order In Effect, South Side Pumping Station Back Online After Thousands Of Homes Went Without Water

Metra and Lollapalooza are also holding a sweepstakes drawing to give away two tickets to the music festival.

Those wishing to enter the drawing should go to and fill out the entry form for their chance to win. The contest ends at midnight on July 27, Metra said.

MORE NEWS: Southbound Lanes Of I-290 Shut Down After Fatal Crash

(Source: Sun-Times Media Wire © Chicago Sun-Times 2015. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)