Illinois Public Infrastructure Projects: IDOT, Tollway and Water Infrastructure Programs
Illinois public infrastructure projects are tracked here through current funding, planning, owner, and delivery records. Illinois has several large infrastructure pipelines under separate public owners. IDOT's FY2026-2031 program totals $50.6 billion, the Illinois Tollway's Driving Connections program commits $26.5 billion from 2027 through 2042, and Illinois EPA is currently accepting planning-grant applications from unsewered communities until its funding pool is expended. This page separates those programs by owner, stage and time horizon.
Illinois Public Infrastructure: State Programs and Current Funding Signals
The Infrastructure Project Lifecycle
Where Illinois Infrastructure Programs Are Moving
What to Watch Next in Illinois Public Infrastructure
Similar Regions in This Market
Citylitics Intelligence for Illinois Public Infrastructure
Current Commercial Signals in Illinois
PROJECT INTELLIGENCE FAQ
Frequently Asked Questions
What are the largest current Illinois infrastructure programs?
IDOT's FY2026-2031 program totals $50.6 billion, and the Illinois Tollway's Driving Connections capital program totals $26.5 billion for 2027-2042.
What are the largest current Illinois infrastructure programs?
IDOT’s FY2026-2031 program totals $50.6 billion, and the Illinois Tollway’s Driving Connections capital program totals $26.5 billion for 2027-2042.
Are IDOT and the Illinois Tollway the same project pipeline?
They are separate public owners with distinct capital programs, governance and procurement channels. Teams should follow each agency's own project and contracting records.
Are IDOT and the Illinois Tollway the same project pipeline?
They are separate public owners with distinct capital programs, governance and procurement channels. Teams should follow each agency’s own project and contracting records.
What does the Illinois EPA planning-grant program signal?
The Unsewered Communities Planning Grant Program supports early wastewater planning. Awarded communities can become useful accounts to monitor as planning work leads to financing, design and potential construction projects.
What does the Illinois EPA planning-grant program signal?
The Unsewered Communities Planning Grant Program supports early wastewater planning. Awarded communities can become useful accounts to monitor as planning work leads to financing, design and potential construction projects.
Sources and Methodology
Sources & Intelligence Methodology
Market and geographic context on this page is informed by official plans, budgets, capital programs, board materials, public records, and other government or public-owner sources. The early-stage project signals and pre-RFP opportunity previews are provided separately through Citylitics’ proprietary sales intelligence platform, which continuously identifies and tracks infrastructure opportunities as they develop toward procurement.
Illinois Department of Transportation | 2025-10-16
Official IDOT announcement documenting the $50.6 billion six-year statewide multimodal infrastructure program.
Illinois Environmental Protection Agency |
Official Illinois EPA page documenting the currently open planning-grant program, $1 million funding pool and anticipated 33-50 awards.
Illinois Tollway |
Official Tollway page documenting the $26.5 billion Driving Connections capital program for 2027-2042.
TL;DR
IDOT's FY2026-2031 multimodal improvement program totals $50.6 billion across transportation modes and all Illinois counties.
The Illinois Tollway's Driving Connections program commits $26.5 billion across all five tollways from 2027 through 2042.
Illinois EPA's Unsewered Communities Planning Grant Program is open until funds are expended, with $1 million expected to support 33 to 50 planning grants.

