CSAH 50 Expansion, Dakota County, Minnesota

CSAH 50 Expansion

The CSAH 50 corridor is a critical component (A-minor arterial) of the broader transportation network in Dakota County, providing connections from the Cities of Lakeville and Farmington to I-35. CSAH 50 is important to the City of Lakeville as it provides direct access to Kenwood Trail Middle School, multiple residential neighborhoods, and commercial areas. The Dakota County Transportation Plan identified this corridor be expanded to a four-lane divided roadway to accommodate the growing demands. Expansion of this important local and regional arterial to accommodate the existing and future traffic levels is critical to the overall county network and accessibility for residents and businesses.

Bolton & Menk led the preliminary study and final design which included

  • Upgrading the corridor from a three-lane rural section to a four-lane urban divided section

  • Limiting impacts to adjacent right-of-way

  • Reducing conflict at intersections

  • Maintaining access to key commercial and residential areas at all times during construction

  • Accommodating needs for the next 20 years of growth

  • Accommodating pedestrians, bicyclists, and disabled persons/evaluating key crossing locations (school)

  • Maintaining city infrastructure

  • Providing safety improvements for all users

  • Evaluating stormwater rate control and treatment options to manage runoff to Lake Marion

  • Leading a transparent and interactive public participation process

Bolton & Menk led Dakota County and the City of Lakeville through a sustainable design process that resulted in a publicly supported project that met the needs of a growing community in Dakota County, while meeting the expected project budget and cost sharing between project partners.

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