I-49 Inner City Connector traffic study, impact and development of implementation plan and strategy

The I-49 Inner City Connector is a 3.5 mile route that provides the final nationwide link of I-49 by connecting the existing I-49/I-20 interchange to the proposed I-49/I-220 interchange.  Public involvement for the I-49 Inner-City Connector has been critical because potential corridors run through a traditionally low-income neighborhood where previous efforts to provide this link were not well received.  Public sentiment regarding the project has changed over the years, and minimizing impacts and providing value to the surrounding community were of the utmost priority.

ABMB lead the traffic study and impacts effort along with development of an implementation plan and strategy.  Using the Regional Travel Demand Forecasting Model, ABMB compared results of potential alternative routes to determine which best met the overall purpose and need for the project from a regional perspective.  The macroscopic model analysis was then supplemented by developing models that provided a more microscopic demonstration of traffic flow adjacent to the potential routes.  These models were used in public meetings and other venues to provide a visual illustration of the alternatives being considered.  ABMB also provided input to concept development and evaluation, development of environmental investigations, and, ultimately, the context-sensitive design elements for the project.

The Environmental Impact Statement for decision was submitted in 2010 to the FHWA.

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