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Division of Transportation
600 W. Winchester Rd.
Libertyville, IL 60048

Administration
Phone: 847.377.7400
Fax: 847.984.5888
Hours: 8am - 4:30pm
dot@lakecountyil.gov

Maintenance
Phone: 847.377.7498
Hours: 6:30am - 3pm
dot@lakecountyil.gov

Lake County PASSAGE
Phone: 847.377.7000
Hours: 6am - 7pm
passage@LakeCoutyil.gov