This route includes tolls.
- Leave airport on 190 East (O'Hare access expressway)
- Take 294 South (Tri-State Tollway)
- Take I-55 South (toward St. Louis)
- Exit Lemont Road South (exit 271A)
- At 101st Street turn right (West)
- At the first light (Woodward Avenue), keep to the left and proceed straight through the intersection. You are now on Werch Drive.
- Teledyne Storm Microwave is the second driveway on the left.