Start out going NW on Lambert International Blvd toward Natural Bridge Dr. Turn left onto Lambert InternationalBlvd/Natural Bridge Rd. Take the I-70 W ramp toward Main Terminal/Garage Parking/Rental Car Return. Keep left at the fork in the ramp. Stay straight to go onto Airflight Dr. Turn left onto ramp. Turn right onto Airflight Dr. Merge onto I-70 E toward St. Louis. Merge onto I-270 N via Exit 238C on the left. Merge onto I-270 E via Exit 10B toward Chicago Crossing into Il. Merge onto I-55 N via Exit 15B toward Chicago. Merge onto I-55 BL N/6th St. via exit 92A-B on the left toward I-72 W/Jacksonville. Merge onto I-72 W/ US 36 W via Exit 92B toward Jacksonville. Take the Il 4 exit, Exit 93, toward Springfield/Chatham. Turn right onto Il 4 N/S Veterans Parkway. Turn slight left. Turn left onto Lindbergh Blvd. Turn left onto Freedom Dr. End at 3462 Freedom Dr Springfield,Il. 62704-6516.