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Program History


The Council Bluffs Interstate System was constructed in the 1960s and was developed to the design standards of that time. Although routine maintenance projects were completed in the 1980s and 1990s, significant changes have not been made to the Council Bluffs Interstate System since its original construction.

In 1997, the City of Council Bluffs and Metropolitan Area Planning Agency conducted a study of the interstate system in Council Bluffs. The Council Bluffs Interstate System Needs Study, completed in 1999, indicated that many of the interstate’s features are outdated and do not meet today’s design standards, guidelines or operational criteria. Additionally, the current system does not provide for adequate travel capacity.

In 2002, the Iowa DOT initiated the Council Bluffs Interstate System Improvement Program to address the issues raised by the 1997 Council Bluffs Interstate System Needs Study and develop solutions for improving the interstate system in the Council Bluffs metro area. The program is a multi-year effort that will result in reconstruction of the majority of the Council Bluffs Interstate System.

In 2006, the Iowa DOT constructed an interim project on the overlapping section of I-80/I-29 to add a third lane in the eastbound direction to ease some of the congestion that occurs when eastbound I-80 and southbound I-29 merge onto one roadway. This interim project is a short-term solution to these congestion problems. A long-term solution is being developed as part of the program.