November 18, 2025 Transportation Improvement Program conformity analysis open for public comment through December 18, 2025 The Chicago Metropolitan Agency for Planning (CMAP) released a conformity amendment to the FFY 2023-2028 Transportation Improvement Program (TIP). This amendment is open for public comment, from Monday, November 18 to Thursday, December 18. Conformity analysis is part of the transportation modeling process that evaluates the impact on air quality of projects in the ON TO 2050 plan update and the FFY 2023-2028 TIP, as amended. On-road vehicle emissions are reviewed to determine that the region will reach national ambient air quality goals. Please review the ON TO 2050/TIP Conformity Analysis and TIP Formal Conformity Amendment 26-03. Comments regarding the individual TIP conformity amendments may be submitted to CMAP by mail, email (transportation@cmap.illinois.gov), or phone (312-454-0400). Article by Mike Sobczak Sarah Stolpe Stay connected with your community Newsletter sign-up Opens in a modal Related news Click to read Midlothian adopts plan to make village streets safer Posted on Click to read Midlothian adopts plan to make village streets safer 09.16.26 Click to read Chicago carries the nation’s freight; merger must carry its weight Posted on Click to read Chicago carries the nation’s freight; merger must carry its weight 09.04.26 Click to read CMAP launches next phase of My Daily Travel Posted on Click to read CMAP launches next phase of My Daily Travel 08.03.26 Click to read What's in a corridor plan? Village of La Grange creates one with support from CMAP Posted on Click to read What's in a corridor plan? Village of La Grange creates one with support from CMAP 07.22.26