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About the Lake County Division of Transportation

Our Mission

The Lake County Division of Transportation is committed to providing safe, efficient, and well-maintained county highways and bikeways to improve the general welfare of travelers in our communities and foster the orderly economic development of the county.
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Summary of Purpose

  • The construction, engineering, planning, operation and maintenance of county highways in accordance with the Illinois Highway Code for the use of the traveling public.
  • The maintenance of the county vehicle fleet for the user departments.
  • The coordination of township road districts by the office of the County Engineer for the township highway commissioners.
  • The coordination of local federal transportation aid and reviews of public transportation and paratransit in Lake County for agencies and the traveling public.
  • The review of proposed roads as part of the county subdivision ordinance for the township highway commissioners and new residents.
  • Permit approval for overweight trucks, utility placement, and development access for county highway users.
  • The implementation of other functions by state statute and the county board for the residents of Lake County.
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  Table of Organization
OrganizationalChart 

Contact Information
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@lakecountyil.gov