I-55 at Lorenzo Road and IL 129 Study

In July 2013, the I-55 @ Lorenzo Road and IL 129 Study was combined with the llliana Corridor Project due to the proximity and need for comprehensive vision in the development of alternatives at the western terminus of the Illiana Corridor.

Note: IDOT projects typically have three distinct phases. Phase I (or the project Study) consists of developing the project scope, environmental studies and preliminary design of a project. Phase II (Design) consists of refining the design to develop contract plans and land acquisition. Phase III (Construction) consists of the actual construction of the project.

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