Service Description: Each year, IDOT develops the Annual Highway Improvement Program, also referred to as the Proposed Improvements for Illinois Highways. This publication presents a more detailed account of the applicable fiscal year’s highway program element.
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Description: Each year, the Illinois Department of Transportation develops the Annual Highway Improvement Program. This publication presents a detailed account of the Fiscal Year 2025 highway program element, originally presented in the Fiscal Year 2024-2029 Proposed Highway Improvement Program.
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