Please do not use a Mapquest map as that is incorrect.
Directions to the Midwest ISO Headquarters and Control Center
701 City Center Drive
Carmel, Indiana 46032
317-249-5400
From Indianapolis International Airport
Take the Airport Expressway to I-465 North.
Go North on I-465 to the U.S. 31 north/Meridian Street exit (exit number 31).
Turn left at the exit light onto north Meridian.
Take the North Meridian Street exit (U.S. 31) and proceed north about 2 miles to the
116th Street stoplight.
Turn right onto 116th Street. Drive a half mile to South Guilford Road (Cinergy is on the
northeast corner of the intersection).
Turn left (north).
The Midwest ISO is on the northwest corner of Guilford Road and Carmel Drive. The
entrance is on the west side of Guilford Road.