Program Documents
The following documents offer in-depth background information for the Council Bluffs Interstate System Improvement Program and are posted here to offer the general public the highest level of transparency:
- Council Bluffs Interstate Annual Report: 2023 - Online Version
- Council Bluffs Interstate Annual Report: 2022 - Online Version
- Council Bluffs Interstate Annual Report: 2021 - Online Version
- Council Bluffs Interstate Annual Report: 2020 - Online Version
- Council Bluffs Interstate Annual Report: 2019 - PDF Version
- Council Bluffs Interstate Annual Report: 2019 - Online Version
- Council Bluffs Interstate Annual Report: 2018 - PDF Version
- Council Bluffs Interstate Annual Report: 2018 - Online Version
- Council Bluffs Interstate Annual Report: 2017 - PDF Version
- Council Bluffs Interstate Annual Report: 2017 - Online Version
- Council Bluffs Interstate Annual Report: 2016 - PDF Version
- Council Bluffs Interstate Annual Report: 2016 - Online Version
- Council Bluffs Interstate Annual Report: 2015 - PDF Version
- Council Bluffs Interstate Annual Report: 2015 - Online Version
- Council Bluffs Interstate Annual Report: 2014 - PDF version
- Council Bluffs Interstate Annual Report: 2014 - Online version
- 2018 Contract Plan Maps
- Program Factsheet
- Corridor Preservation Zone Map
- Final Interstate Signage Plan
- Public Meetings Archive
Environmental Documents
- CBIS Needs Study: Phase 1 Report - Analysis of Existing Conditions
- CBIS Needs Study: Phase II - Development of Improvement Alternatives
- CBIS Needs Study: Phase III - Detailed Assessment of Preferred Interchange Alternatives
- CBIS Needs Study: Final Report - Final Study Report
- Tier 1, DRAFT Environmental Impact Statement
- Tier 1, FINAL Environmental Impact Statement
- Tier 1, Record of Decision
- Tier 2, Segment 1 Environmental Assessment
- Tier 2, Segment 1 Finding of No Significant Impact
- Tier 2, Segment 2 Categorical Exclusion
- Tier 2, Segment 3 Environmental Assessment
- Tier 2, Segment 3 Finding of No Significant Impact
- CBIS Aesthetics Master Plan - Executive Summary
- CBIS Aesthetics Master Plan - Full Document
- I-29/I-480/West Broadway Interchange Final Environmental Assessment
- I-29/I-480/West Broadway Interchange Finding of No Significant Impact
INSIGHT Blog & newsletter
The INSIGHT blog and newsletter are no longer supported.
- Newsletter 11 – March 2012
- Newsletter 10 – March 2011
- Newsletter 9 – June 2010
- Newsletter 8 – January 2009
- Newsletter 7 – June 2008
- Newsletter 6 – August 2007
- Newsletter 5 – November 2006
- Newsletter 4 – September 2005
- Newsletter 3 – January 2005
- Newsletter 2 – July 2003
- Newsletter 1 – January 2003
http://councilbluffsinterstate.iowadot.gov/2020annualreport/