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HSIP. 1310-01-02/72 STH 50 Intersection with CTH D Reconstruction, Preservation LET: 02/10/2015 PSE: 08/01/2014 PM: Brian Pluemer. Project Location. CTH D. STH 50. Project Overview.

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  1. HSIP 1310-01-02/72 STH 50 Intersection with CTH D Reconstruction, Preservation LET: 02/10/2015 PSE: 08/01/2014 PM: Brian Pluemer

  2. Project Location CTH D STH 50

  3. Project Overview Intersection has had a high number of right angle crashes. There is a vertical curve 600ft to the east of the intersection with CTH D which may be a factor in drivers on CTH D misjudging speed of vehicles on STH 50. The median allows for refuge of one vehicle but drivers attempt to traverse the entire roadway. Connecting Highway: No Long Truck Route: Yes NHS Highway: Yes Oversize/Overweight Route: (OSOW): Yes; Primary

  4. Pavement Recommendation • Match existing pavement structure on STH 50 or CTH D depending on work location. • Minimize reconstruction as much as possible in intersection area.

  5. Traffic Volumes • Current Traffic Volumes • STH 50 (2008) AADT 18500

  6. Proposed Improvement • J-turn type intersection • Restricts movements to left turns only for traffic on STH 50 turning onto CTH D • Restricts traffic on CTH D to only making right turns onto STH 50 • Then allows for U-turns at appropriate median openings for traffic from CTH D that either wanted to go left or through.

  7. J-Turn Layout

  8. Project Photos On CTH D – Looking South

  9. STH 50 - Looking West

  10. STH 50 - Looking East

  11. Oncoming Traffic!!

  12. General Project Areas • Multimodal: No updates anticipated with proposed project scope. • Drainage: No updates anticipated with proposed project scope. Some ditch refinements will be needed in J-turn areas. • Signals: N/A.

  13. General Project Areas • Structures/Bridges: N/A • Railroad: N/A • Environmental: Programmatic Environmental Report (pER) with proposed scope. • Survey: Coordinate with Survey Unit as needed.

  14. GeneralProject Areas • Traffic: Any operational concerns that we should note for the designers • Safety: Looking for any additional ad hoc concerns in this area. • Signing: Updated as impacted by project. • Access Management: No changes anticipated with proposed scope.

  15. General Project Areas • Utilities: Trans 220 • Lighting: No impacts anticipated with current scope. • Right of Way: Small fee or TLE may be needed for J-turn areas

  16. Questions...

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