Council Bluffs Interstate System Improvements

Contact Us

The Iowa Department of Transportation (Iowa DOT) is responsible for the planning, design, construction and maintenance of Iowa’s extensive transportation network. A key part of planning these facilities is input from the public, the users of these facilities. If you have questions or comments about the Council Bluffs Interstate System (CBIS) improvements project, please contact:

John Carns, Project Coordinator

Iowa Department of Transportation
District 4 Office
2210 East Seventh St.
Atlantic, IA 50022
Phone: 712-243-3355
Iowa Toll Free Phone: 800-289-4368
cbinterstate@dot.iowa.gov
John Carns


For Nebraska related issues regarding this project, please contact:

Terry Gibson
Nebraska Department of Roads
1500 Highway 2
Lincoln, NE 68509
Phone: 402-479-4565
tgibson@dor.state.ne.us