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Marc Briese, P.E., PTOE Hugo City Council, May 21, 2012.

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Presentation on theme: "Marc Briese, P.E., PTOE Hugo City Council, May 21, 2012."— Presentation transcript:

1 Marc Briese, P.E., PTOE Hugo City Council, May 21, 2012

2  Thru-stop  Each leg with two lanes of approach ◦ RT/bypass lanes on 61 ◦ Thru/left and RT lanes on county approaches  Average Daily Traffic: ◦ Hwy 61: 9,700 ◦ CSAH 4: 4,100 ◦ CR 4A: 1,400  Hardwood Creek Trail

3  Safety, : ◦ 10 crashes (14 people injured) ◦ No issue with recognizing stop condition ◦ #473 in crash cost* ◦ Compared to other similar intersections:  2x higher % right angle  3x higher % rear end  2.5x higher crash rate * 8,200+ intersections in ranking

4  City, county, state priority  HSIP Regional solicitation for  Submitted as traffic signal with turn lanes  Received funding for 2014  2012  2013

5 IssueTraffic SignalRoundabout Safety - Expected Crash Reduction* Moderate benefit - 50% reduction High benefit - 70% reduction Crash SeverityModerate (still 25% right angle) Low (virtually no right angle) OperationsHigh efficiency Benefit/Cost AestheticsLess pleasingMore pleasing O&M CostsPower, heads, LEDs, cabinetLandscaping, signs ConstructionUnder trafficSome closures & detours *based on FHWA crash modification clearinghouse  All-way stop eliminated based on 2030 operations  ICE recommends roundabout

6 Source - Insurance Institute for Highway Safety

7

8  Full closure ◦ ~$1.2 million – no city cost ◦ 2-3 months, summer ◦ Incentives, A+B, lane rentals to minimize length ◦ Benefits: quicker completion, less expense, safer, better product

9  Temp bypass ◦ Hwy 61/4A as temp all- way stop, three legged intersection ◦ +$200k (no city cost) ◦ months ◦ Impacts school year ◦ 3 weeks full closure ◦ Benefit: keep intersection partially open

10  No hazards in the middle or clear zone (trees, boulders) ◦ Grasses, shrubs, flowers, perennials are ok  Standard landscaping: minimal maintenance seed (similar to signal option)  City responsibility for Costs/maintenance above standard TH 7/TH 25 St. Bonifacius

11  Schedule an open house  Final design starting now  Construction in 2013 Questions or Comments?


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