When is it?

The Tri-County Access Project began in 2017 and is anticipated to be completed by the end of 2021. This graphic also shows the process as explained below.

Illustrated schedule for Tri County access project.


The study process for this project will meet state and federal requirements meant to integrate environmental values and public interaction into transportation improvements.

The Tollway will assess the natural, built, and human environment to determine the extent of effects that may arise from constructing and operating a project. Environmental factors such as air quality, wildlife, vegetation, water quality, wetlands, geology, neighborhoods, park/recreation areas, utilities, visual quality, and cultural resources will be assessed.  Public input that is received during the alternative analysis phase are considered in the draft environmental document. Following NEPA guidelines, an Environmental Impact Statement (EIS) will be prepared.

Step One:  Needs Assessment – The objective of this stage is to further clarify the transportation problems in the Tri-County region.  The information collected will be used as the basis for the development of the project Purpose and Need statement.

Step Two:  System Alternatives Studies – A broad range of system alternatives will be considered to address the project Purpose and Need.

Step Three:  Build Alternatives Studies – This step begins with the identification of the build alternatives to be carried forward for more detailed evaluation. The build alternatives will be developed to a greater level of detail, to allow an evaluation of their performance characteristics and environmental effects, as compared to a no-action alternative. Findings will be presented in the Draft Environmental Impact Statement (DEIS).

Step Four:  Alternative Selection & Study Completion – This step begins with the identification of the Selected Alternative and preparation of the Final EIS. Preliminary engineering plans and a more detailed implementation and financial plan will be completed.