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June 10, 2014 City Council

T.H. 23 / South Saratoga Street Reduced Conflict Intersection and Pedestrian Overpass Project Project hearing. June 10, 2014 City Council. Presenters Glenn Olson, Director of Public Works/City Engineer Christopher M. Cavett , PE, Project Manager SEH, Inc. Interregional Corridor Goals

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June 10, 2014 City Council

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  1. T.H. 23 / South Saratoga Street Reduced Conflict Intersection and Pedestrian Overpass ProjectProject hearing June 10, 2014 City Council Presenters Glenn Olson, Director of Public Works/City Engineer Christopher M. Cavett, PE, Project Manager SEH, Inc.

  2. Interregional Corridor Goals • IRC Goals • Maintain safe, timely, and efficient transportation service between regional centers. • Enhance economic vitality of the State.

  3. Interregional Corridor Standards • IRC Performance Standards • 1-Hour average travel speed • 55 mph average for TH 23 • 60 mph average for I-90 • Limited direct access along the corridor. • ½ mile full access spacing in-town • 1 mile full access spacing in rural areas

  4. Interregional Corridor Improvement Strategies • Reduce number of traffic signals • Consolidate access points • Add passing opportunities • Encourage development of local traffic alternative routes.

  5. Corridor Investment Management Study (CIMS) GrantT.H. 23 / Saratoga Street As part of the overall CIMS initiative and consistent with the Minnesota GO Vision, MnDOT provided $30 million through a competitive solicitation in 2013 to fund trunk highway projects that improve quality of life, environmental health or economic competitiveness. • CIMS Award $3,500,000 • Total Project Cost $5,697,356 • Year of Construction 2015 • 45 applications 1 of 10 funded • $100 million requested $30 million funded

  6. T.H. 23 / Saratoga StreetReduced Conflict Intersection and Pedestrian Overpass(Revised Layout) Alternate Intersection Designs • Reduced speed limits • Signalized Intersection • Roundabout • Vehicle overpass • with exit lanes • Without exit lanes Alternate Pedestrian Bridge & Sidewalk Design • Pedestrian underpass • Bridge location alternates N

  7. Reduced Conflict Intersection (RCI)Increasing safety; decreasing T-Bone (right angle) crashes • Improved safety—Studies show a 70 percent reduction in fatalities and a 42 percent reduction in injury crashes where RCIs are used. • A typical four-lane divided highway intersection has 42 possible vehicle conflict points. RCI's reduce conflict points to as few as 18. Where in Minnesota are RCIs located? • County Rd. 24, Willmar • Hwy 169 and County Rd. 3, Belle Plaine • Hwy 36 and Keats Avenue, Lake Elmo • Hwy 10 and County Rd. 8, Becker • Hwy 169 and 173rd St., Jordan MnDOT also plans to build additional RCIs in the next five years in Cologne, Cannon Falls, Vermillion, Zumbrota, Cotton, Ham Lake, Ramsey and Oakdale.

  8. TRAFFIC SAFETY Uncontrolled Median Intersection Reduced Conflict Intersection “J Turn” click for video click for video

  9. T.H. 23 / Saratoga StreetReduced Conflict Intersection and Pedestrian Overpass

  10. Manufactured Home District Alternate Access Western Community Action Pedestrian Friendly Crossing & Pedestrian Bridge Access Broadmoor Valley

  11. Pedestrian Overpass Project ExampleCity of Bemidji, Minnesota (population 13,528)

  12. Pedestrian Images (May 2014)

  13. Accident on Hwy 23 and Saratoga Street on Monday, June 4, 2014 • The accident involved a cross over highway 23. • This movement will be eliminated in the new intersection design. Your logo here

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