Southwest Infrastructure Study

SW Infrastructure Planning Study

City Project Manager
Corey Bogenreif, P.E.
Principal Traffic Engineer
(515) 283-4014

Project Overview

In 1998, The Southwest Diagonal Corridor Study recommended the alignment of the Southwest Connector. The Southwest Connector was proposed to be a five-lane roadway with a landscaped median that ran from SW 7th Street, diagonally across the southwest portion of Des Moines to SW 63rd Street at SW McKinley Avenue. The study recommended this new roadway be built to serve a planned airport terminal on the west side of the airport and anticipated traffic volume increases on Park Avenue and Fleur Drive. Since the 1998 study, the Des Moines Airport Authority completed a Terminal Area Concept Plan which proposes a new terminal complex along Fleur Drive instead of on the west side of the airport. Additionally, traffic volumes on Park Avenue and Fleur Drive have not grown as projected in the study. In 2018 the MPO removed the Southwest Connector was removed from the Long Range Transportation.

In 2020, the City initiated the Southwest Infrastructure and Planning Study to review existing infrastructure and develop recommendations to determine what roadway network improvements and/or changes would be needed after the removal of the Southwest Connector project. A Land Use Master Plan for the area south of Gray's Lake and a drainage analysis for a wetland identified in the Gray's Lake Master Plan were also being completed in conjunction with the infrastructure study. An overview of the planning study areas is shown below.

Planning Study Area Overview

Goals of the Study

  • Establish a regional, multimodal transportation infrastructure development strategy.
  • Improve network reliability, efficiency, and safety for all modes as demand increases.
  • Accommodate long-term economic development opportunities in a flexible way.
  • Protect recreational and natural resources throughout the study area.

Stakeholder Engagement and Public Outreach

Study Recommendations

South of Gray's Lake Master Plan

What are the next steps?