Minnesota Department of Transportation

511 Travel Info

Hwy 12

Willmar Corridor Study

About this project

Project Overview
Hwy 12 Corridor Study Area
Click map for larger PDF version.


The Minnesota Department of Transportation (MnDOT), in a partnership with the city of Willmar and Kandiyohi County, initiated this transportation planning effort.  The ultimate goal is a to identify reasonable and feasible long-term improvements associated with the road’s access, intersection control, aesthetics, drainage and overall safety and mobility.  

In addition, issues or challenges in terms of physical constraints, environmental factors and financial considerations will be reviewed.  Traffic operations and political and public perception are key factors in determining the conceptual long-range vision for this corridor.  

Currently, there is no funding programmed for the study area nor is any contained in the current 20 year plan.  The study is intended to create an overall vision for the corridor for all the partners to use to guide future decisions and not result in a list of future projects.   

 city of willmar logokandiyohi county logomndot logo

Study Area Location and Description

The Highway 12 Corridor Study area extends from Kandiyohi County Road 5/30th Street on the west to 45th Street SE on the east. 

From the west, Highway 12 is a rural two lane section that parallels the south side of the BNSF railroad corridor.  Several commercial and light industrial developments are present with direct access to Highway 12.  The highway alignment swings slightly north as it enters the historic downtown business district and becomes a four lane highway.   The roadway transitions into an urbanized two-lane road section east of downtown until the intersection with Highways 23/71 where the highway is briefly a divided four lane.  East of that interchange Highway 12 transitions back to a rural two lane highway and adjacent land use becomes less developed. 

West of the study area, Highway 12 provides links to the cities of Benson and Ortonville, and points in between.  East of the study area Highway 12 provides connections to Litchfield, several state and county highways and to the western suburbs of the Twin Cities Metro area.

Estimated Forecast Traffic

Using a linear growth trend line, a 2040 forecast Average Annual Daily Traffic (AADT) was developed.  The trend line shows that on both ends of the study corridor, outside of the city of Willmar, there will be an increase in traffic both coming in and out of the city.  However, within the city limits, the trend is only for slight growth or continued decrease in traffic.   

MnDOT Corridor Investment Management Strategy (CIMS)

MnDOT has initiated this corridor-based initiative on a limited number of corridors, including Highway 12 from Benson to the Twin Cities. The intent of this program is to bring MnDOT together with its partners to exchange information and discuss opportunities for collaborative and sustainable investment (lower cost/high benefit strategies).
A series of Highway 12 Corridor performance and investment strategies for the Willmar area has been prepared by MnDOT.  The Highway 12 CIMS information can be viewed at http://www.dot.state.mn.us/cims/index.html