Take the A, D, 2, 4, or 6 trains to 125th Street in Harlem, or the 1 to 116th Sts. and Broadway. Then, pick up the M60 bus to. Travel time 50 minutes.
Exit at 18th St. or 31st St. and follow signs to McCormick Place. On the weekends, use Millennium Garage and ride the free auto show shuttle.