Visiting Argonne

Argonne National Laboratory
9700 S. Cass Avenue, Argonne, IL 60439
630/252-2000

Argonne National Laboratory occupies 1,500 wooded acres about 25 miles southwest of Chicago's Loop. The site also houses the U.S. Department of Energy's Chicago Operations Office.

To reach Argonne from O'Hare International Airport, take I-294 south to I-55. Exit west on I-55 (toward St. Louis ) and continue for about four miles to Cass Avenue . Exit south on Cass and turn right at the Argonne sign on Northgate Road , immediately south of I-55. Follow Northgate Road to the Argonne Information Center. See the map.

To reach Argonne from Midway Airport, take Cicero Avenue north to I-55. Enter I-55 south and continue for about 14 miles to Cass Avenue . Exit south on Cass and turn right at the Argonne sign on Northgate Road , immediately south of I-55. Follow Northgate Road to the Argonne Information Center. See the map.

To reach Argonne by public transportation, take the Metra train to the Westmont Metrastation. PACE bus #715 leaves the Burlington/Westmont station at 7:22 a.m. and 7:58 a.m., arriving at the Argonne Information Center at 7:35 a.m. and 8:14 a.m., respectively. In the evening, PACE bus #715 leaves the Argonne Information Center at 5:25 p.m., arriving at the Westmont Metra station at 5:42 p.m. Since the bus schedule is subject to change by PACE without notice, visitors planning on using public transportation to reach Argonne are advised to verify the bus schedule by calling PACE at 847/364-7223 or visiting the Pace home page.