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Diamond Path (County Road 33) & 140th Street/Connemara Trail, Apple Valley & Rosemount

​County Road 33 project mapDakota County is working with the cities of Apple Valley and Rosemount to construct a single-lane roundabout at the intersection of County Road 33 (Diamond Path) and 140th Street/Connemara Trail. 

Bac​​kground

A study was conducted to review traffic and safety issues at the intersection of County Road 33 (Diamond Path) and 140th Street/Connemara Trail.

The study reviewed existing and future traffic operations and developed design alternatives for the intersection. The study recommended construction of a single-lane roundabout based on safety, future traffic and the neighborhood setting. For more information about the study, visit the County Road 33 Roundabout Feasibility Study page.

Project overv​iew

The project components include: 

  • Constructing a single lane roundabout at 140th Street/ Connemara Trail and County Road  33 (Diamond Path) intersection
  • Restriping 140th Street in Apple Valley between County Road 31 (Pilot Knob Road) to Diamond Path from an undivided four-lane to three-lane roadway (center left turn lane)
  • Restriping from an undivided four-lane to two-lane with turn lanes on Diamond Path between 145th Street and 140th Street/Connemara Trail
  • Preserving pavement on Diamond Path between County Road 42 (150th Street) and 140th Street/Connemara Trail​

Proje​ct timeline

July-November 2023

Get email updates

To receive email updates for this project, email Janan Putz at janan.putz@co.dakota.mn.us. Please include “CP 33-15 Updates" in the subject line.

Ac​cess

The intersection of Diamond Path and 140th Street/Connemara Trail is now closed to thru traffic for the construction of the roundabout.

Construc​tion schedule

Sept. 22–30

  • Installing topsoil and landscaping continues into the first week of October  
  • Installing push buttons and flashers tentatively scheduled for Tuesday, Sept. 26 (Pedestrian flashers will be installed at 145th Street and Drummond Trail)
  • Milling (grinding off a layer of pavement) Diamond Path and Connemara Trail starting Wednesday, Sept. 27
  • ​Paving the roundabout and the milled areas the week of Oct. 2​​​​​​

County Road 33 Newsletter


Last updated: 9/21/2023 3:25 PM