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CHICAGO–More trains with less alcohol allowed on them will be running to and from Chicago during Lollapalooza this weekend.

The South Shore line plans to add an extra westbound train from the Portage/Ogden Dunes stop to Chicago at 9:57 Saturday morning.

An outbound train will be added from the Millennium Park station Saturday night at 10:50 to Portage.

Also, alcohol will be prohibited on South Shore trains after 7p.m. Friday, and on all South Shore trains Saturday and Sunday.