Current ICT Project
Investigators:
  Scott Peters (Primary)
Project Title:
  Update the IL Carbon Monoxide Screen for Intersections Model (COSIM)
Start Date: 2/1/2007
End Date: 8/31/2007
Summary of Project:
  IDOT currently uses the Illinois Carbon Monoxide Screen for Intersection Model (COSIM), a user-friendly Windows-based tool, to model Carbon Monoxide (CO) vehicle emissions from add-lane and intersection improvement projects statewide. The University of Illinois developed the initial COSIM model in 1999 and version 2.0 in 2003. Legislation passed in 2005 requires the use of a new motor vehicle Inspection and Maintenance program in the Chicago and St. Louis Metropolitan areas known as the "On-Board Diagnostics-only" (OBD) program, effective February 2007. The new OBD program uses new motor vehicle emission factors. This project will update COSIM V.2.0 to incorporate these new emission factors.
Objective of Project:
  Update the Illinois Carbon Monoxide Screen for Intersection Model (COSIM), Version 2.0, to reflect upcoming changes, e.g., new IEPA emission factors that must be considered after February 2007.
Expected Outcome:
  The current Illinois COSIM Version 2.0 "User's Manual" will be updated and a new User's Manual prepared and released, upon approval of the Department.
Click here to check the status of this project.
Last Updated: 11/18/2009