Welcome!
Welcome to the Council Bluffs Interstate System (CBIS) improvements project home page. This Web site includes general project information, as well as detailed information regarding construction, design and environmental studies.The CBIS improvements project is a major effort focused on improving Interstates 80, 29 and 480 within the Council Bluffs metropolitan area. The CBIS improvements project is intended to improve mobility through the region by upgrading the I-80 and I-29 corridors, improving the condition of the roadways, reducing traffic congestion and crashes, and adding capacity.
Approximately 18 miles of mainline interstate (I-80, I-29 and I-480) and 14 interchanges (three interstate-to-interstate interchanges and 11 interstate-to-local street interchanges) are included in the study area, as shown below.
The Construction page provides information on the status of CBIS construction projects that are currently underway, including updates on traffic closures. The Construction page is updated whenever there are traffic impacts due to construction change.
The Environmental page provides information about the project's environmental review process.
The CBIS construction activites will be implemented in five segments over time. The Design page provides information about each segment, including maps and the location of specific improvements.
Please visit the Contact Us page to provide comments about the project or add your name to the project mailing list to receive upcoming issues of INSIGHT, which is the project’s newsletter. The newsletter is published at major project milestones and serves as an additional source of information for the public.
This project is being developed by the Iowa Department of Transportation (Iowa DOT), in cooperation with the Nebraska Department of Roads (NDOR) and Federal Highway Administration (FHWA).
