Interstate 229 Major Investment Study Exit 9 Benson Rd Sub-Study

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1 60 th Street N. 60 th Street N. Benson Road Benson Road Interstate 229 Major Investment Study Exit 9 Benson Rd Sub-Study Informational Meeting June 2 nd, :00 pm to 6:30 pm 2014 HDR, all rights reserved.

2 Study Area Map 60 th Street N. I-229 Corridor Study Solberg Avenue Overpass to 60th Street N. Overpass Benson Road Meeting will focus on: Exit 9 Benson Road Solberg Ave

3 Study Advisory Partners South Dakota Department of Transportation (SDDOT) South Dakota Highway Patrol City of Sioux Falls Sioux Falls Metropolitan Planning Organization (MPO) Federal Highway Administration (FHWA)

4 Exit 9 (Benson Road) Crossroad Study Goals Reduce traffic congestion at NB on/off interchange ramp terminal Develop Corridor Growth Plan to meet traffic demands from development taking place east of I-229 Improve pedestrian mobility Make recommendations to improve corridor intersections Develop interchange alternatives to meet future traffic demands Cliff Avenue Sycamore Ave

5 Benson Rd Corridor Overview Cliff Avenue Lewis Avenue N. Potsdam Ave Bahnson Avenue Sycamore Avenue

6 Benson Rd Corridor Overview 40 Crashes in 4 year Benson Rd / Cliff Avenue (rear end and driveway access related crashes). Large vehicles enter Benson Road causing delays.

7 Benson Rd Corridor Overview Lewis Avenue serves large employee base; congestion during peak hours. Pedestrians are not accommodated along this corridor. Stop-controlled approaches are over capacity in the existing condition. Intersection spacing inhibits signalization, congestion on Benson Road makes it difficult to enter during peak hours. N. Potsdam Avenue

8 Benson Rd Corridor Overview Stop-controlled approach projected to be over capacity by Develop interchange layouts to increase capacity. Intersection projected to be over capacity by 2035.

9 Benson Rd Corridor Overview Benson Road east of I-229 currently serves low traffic volumes; construction of the Bahnson Avenue Extension will provide additional access to I-229 and will increase traffic volumes. Stop-controlled approach projected to be over capacity by 2035.

10 Conceptual Ideas for Benson Road What you will be able to see tonight: 4 Interchange Conceptual Options 1 Corridor Option Benson Road / I-229 Interchange Folded Diamond Option

11 Conceptual Ideas for Benson Road What you will be able to see tonight: 4 Interchange Conceptual Options 1 Corridor Option Benson Road Median Divided Section from Lewis to I-229

12 Next Steps for Benson Rd Finalize Composite Comparison Matrix o Traffic Assessment o Environmental Screening o ROW Impacts o Overall Costs o Public Involvement Support Complete additional Traffic Operations analysis on a reduced number of options based on the screening activities Develop Priority Phasing Plan for I-229 Corridor and Sub-Study Corridor Schedule and Conduct next public meeting

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14 PROJECT CONTACTS: 60 th Street N. 60 th Street N. Jason Kjenstad HDR Engineering, Inc or James Unruh HDR Engineering, Inc or Benson Road Shannon Ausen City of Sioux Falls or Steve Gramm SDDOT Project Development or Benson Road Interstate 229 Major Investment Study Exit 9 Benson Rd Sub-Study Thanks for Attending!!!!! 2014 HDR, all rights reserved.