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Transportation
952-891-7000
hwy@co.dakota.mn.us

  • Current Studies
    • County Road 33 Roundabout Feasibility StudyCurrently selected
    • Cliff Road Study from Johnny Cake Ridge Road to Pilot Knob Road, Eagan
    • Pedestrian Crossing Safety Assessment
    • Southview Boulevard Intersections (12th & 13th Avenues) Before & After Study
    • County Road 38 (McAndrews Road) Corridor Study from County Road 5 to Aldrich Avenue, Burnsville
    • County Road 31 (Denmark Avenue) and County Road 74 (220th Street W.) Corridor Study, Farmington
    • County Road 63 (Argenta Boulevard) and Interstate 494 Interchange Footprint Study, Inver Grove Heights
    • County Road 50 (Elm Street) Pedestrian Improvements from Division Street to Third Street, Farmington
    • Highway 3 Visioning Study
  • Past Studies

County Road 33 Roundabout Feasibility Study

Page Content

​​Near the end of 2019, Dakota County began working with the cities of Apple Valley and Rosemount to address traffic and safety issues at the intersection of County Road 33 (Diamond Path) and 140th Street/Connemara Trail. Based on the traffic volumes and turns observed, we are considering the reconstruction of the intersection into a roundabout.

The county has evaluated needs and options for this 4-way-stop intersection periodically since 2008. Traffic volumes and anticipated growth are now causing increased concerns about safety and delays. The first step was a feasibility study, which looked closely at problems with maintaining the four-way stop and future design alternatives.

Our analysis and recent experience have confirmed that a roundabout should be a good long-term solution for this intersection. The feasibility study also addressed other issues along approach roadways. For example, we’ve heard many comments about the need for possible roadway improvements north of the intersection – including the addition of possible multi-use trails (design and construction to be addressed separately from the proposed roundabout).

Summary documents and videos

These links provide an overview of the proposed roundabout project and the issues we have addressed

May 2020 Feasibility Study Overview:  An overview of the roundabout project status and related planning
Roundabout Design Concept and Visualization: Shows the current design concept 
Video Overview of Roundabout Design: Briefly highlights preliminary design details
Video of Traffic Simulation: Used to confirm project feasibility with peak morning traffic in 2040
Comments & Questions: Comments and questions we heard often, with responses

Final report

County Road 33 Roundabout Feasibility Final Report
County Road 33 Roundabout Feasibility Final Report Appendices

​​


Last updated: 3/26/2024 10:39 AM

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