DEPARTMENT: Transportation
FILE TYPE: Consent Action
TITLE
title
Authorization To Amend 2024 Transportation Capital Improvement Program Budget And To Enter Into Joint Powers Agreement With Lakeville For Roundabout Intersection Improvement At County State Aid Highway 50 And Hamburg Avenue In Lakeville, County Project 50-37
end
PURPOSE/ACTION REQUESTED
* Authorize amending the 2024 Transportation Capital Improvement Program (CIP) Budget to include County Project (CP) 50-37, the construction of a roundabout at the intersection of County State Aid Highway (CSAH) 50 and Hamburg Avenue in City of Lakeville.
* Authorize entering into a joint powers agreement (JPA) with the City of Lakeville to establish roles, responsibilities, and cost share for the intersection improvement project, CP 50-37.
SUMMARY
To provide a safe and efficient transportation system, Dakota County staff continuously monitors intersections within the County for deficient characteristics and provides recommendations for action if necessary. The intersection of CSAH 50 and Hamburg in Lakeville has exhibited crash patterns and frequency, as well as increased traffic demand due to increased development within the immediate surrounding area. Historical crash data from the most recent three years of available data (2020-2022) recorded 14 crash occurrences with ten of the 14 being right angle crashes.
Staff hired a consultant to complete an intersection study in late 2023 to reinforce the observations, determine contributing factors, and provide recommendations. The results of this study indicate a single-lane roundabout is recommended for implementation. A roundabout specifically addresses the existing pattern of right-angle crashes at the intersection by eliminating the possibility for this kind of crash and overall decreases the potential for higher severity crashes. The roundabout will provide additional pedestrian safety over the existing condition by reducing the total crossing width, allowing f...
Click here for full text