Iowa's Clean Air Attainment Program (ICAAP)
Forecasted
Iowa's Clean Air Attainment Program funds science-based transportation projects that improve air quality or reduce congestion, administered by the Iowa Department of Transportation.
Funder: Iowa Department of Transportation
Due Dates (Anticipated): October 2026 (Application deadline, projected)
Funding Amounts: Typically funds up to 80% of eligible project costs; 20% nonfederal match required; award size varies by project and annual allocation.
Summary: Supports transportation projects in Iowa that improve air quality or reduce congestion through a competitive statewide process using federal CMAQ funds.
Description
Iowa's Clean Air Attainment Program (ICAAP) is a statewide initiative managed by the Iowa Department of Transportation that utilizes federal Congestion Mitigation and Air Quality Improvement Program (CMAQ) funds. The program aims to support a variety of transportation projects—including roadway improvements, transit capital investments, pedestrian and bikeway enhancements, and intermodal planning—that demonstrate anticipated benefits in air quality improvement or congestion relief. Although Iowa currently meets federal clean air standards, ICAAP provides flexibility to address local transportation challenges with federal funding.
