CMAP welcomes comments on its 2024-28 Transportation Improvement Program

The Chicago Metropolitan Agency for Planning (CMAP) released a conformity amendment to the Fiscal Financial Year 2024-28 Transportation Improvement Program (TIP). Conformity analysis is part of the transportation modeling process that evaluates the air quality impact of projects in the ON TO 2050 Plan Update and the 2024-28 TIP, as amended. On-road vehicle emissions are reviewed to determine how the region will reach national ambient air quality goals.

Aerial view of bridge over a river

This amendment is open for public comment, from November 9, 2023 to December 9, 2023. Please review the ON TO 2050/TIP Conformity Analysis and TIP Amendment 24-04.

Comments on the amendments may be submitted to CMAP by email at, by U.S. mail, or by phone at 312-454-0400.