Division of Transportation - Joseph R. Korpalski, Director of Transportation
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McHenry County Five Year Transportation Program
2019 - 2023 Transportation Program     2018 - 2022 Transportation Program



2017 - 2022 Transportation Program
2016 - 2020 Transportation Program

2015 - 2019 Transportation Program 2014 - 2018 Transportation Program

2013 - 2017 Transportation Program

Illinois Department of Transportation

For Assistance with an Illinois Department Transportation Road please click here.

Getting Around Illinois Traveler Information:
Getting Around Illinois is a web-based interactive mapping site that provides the ability to search and display several sources of transportation data. You can find information on, annual average daily traffic, road construction, trucking routes, and planned road projects. Click on the image below to begin your search.                                                
Getting around

IDOT Current Road Construction Information
You can view projects in a table format.  You can sort by County and select McHenry to see what’s happening.
IDOT Current Construction

Road Closures


Illinois Tollway
 Illinois Tollway  Illinois Tollway Projects Website 



Planned ConstructionProject phase

Project Engineering Phases

Transportation Projects typically originate from an adopted Long Range Transportation Plan and are carried into the County’s 5-Year Transportation Program.  
Preliminary Engineering/Phase I  

An engineering report involving a project’s geometric design, right-of-way requirements, alternatives analysis, and environmental studies. 

Design Engineering/Phase II
Translates the Phase I engineering report into contract plans, specifications and cost estimates for land acquisition and construction as well as the execution of local-state joint project agreements. 

Construction/Phase III
The project enters the construction phase, which includes associated construction engineering activities such as surveys, staking, inspections, materials testing, checking shop drawings, supervision of contractors, field adjustments and plan revisions, record keeping, and documentation, and payments to contractors.