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Mission Statement

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.


  • The construction, engineering, planning 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 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 commission and new residents.
  • The implementation of other functions by state statute and the county board for the residents of Lake County. 
Contact Information
600 W. Winchester Road
Libertyville, Illinois 60048