Council Bluffs Interstate System Improvements

Segment 4 - Concept 2

Broadway System Interchange - Segment 4 - Refined Concept 2

Key Features of Concept 2:

  • three lanes in each direction on I-29 south of the I-29/I-480/West Broadway system interchange;
  • two lanes in each direction on I-29 north of the I-29/I-480/West Broadway system interchange;
  • auxiliary exit only lanes as needed on I-29;
  • 35th Street interchange would be closed;
  • Avenue G interchange would be closed;
  • a “split diamond” interchange would be reconstructed at West Broadway and would provide one-way frontage roads between West Broadway and Ninth Avenue; and
  • 41st Street interchange would be relocated to 40th Street.

Click here to download a PDF (1.2 Mb) with a larger image of Concept 2 for Segment 4.