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After the comparison of alternatives is complete, the fourth step will select the preferred alternative for further evaluation. This step will quantify potential impacts and conduct noise studies in order to identify mitigating strategies for inclusion in this project.
The next step of I-55 Managed Lane Project involves evaluating the alternatives selected and determining a preferred alternative. These findings in addition to those identified in the previous steps are reported in the environmental documentation. IDOT will consider all input, including stakeholder comments and technical analysis when the final decision is determined on a preferred alternative.
The last step in the Phase I study process is to review the findings of the environmental study document and for the FHWA to provide the final determination.