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1997 Corridor Location Study

The following overview highlights some of the prior activities by MDOT and other local project stakeholders relevant to the US-131 Improvement Study now underway.

US-131 is currently a statewide principal arterial serving north-south traffic in Michigan's western lower peninsula extending 270 miles from the Indiana state line north to the City of Petoskey. This corridor provides an important link between the east-west I-80/90 turnpike in Indiana and I-94 in Michigan. Because of this linkage, US-131 has become a primary route for commercial truck traffic destined for major urban areas in western Michigan and northern Indiana. A high volume of trucks, approximately 14% of the average daily traffic, currently use US-131. Problems associated with this high volume of truck traffic include pedestrian crossing conflicts, and vibration & noise impacts, particularly within the Village of Constantine's registered historic district.

1997 Corridor Location Study

To address some of the aforementioned problems, the Michigan Department of Transportation (MDOT) conducted a corridor location study to identify a one-mile wide corridor within which improvements could be made that would improve traffic conditions along US-131. The goal of the study was to serve the public interest by providing for efficient movement of people and goods throughout the southwest Michigan region. The corridor study was designed to present recommendations for the general location of improvements to this trunkline highway.

The 1997 study analyzed the present and future traffic, physical, economic, social, cultural, and environmental factors as they related to state trunkline highway requirements (Figure 3). Public involvement was also a key component of this study as the views and comments of the public were solicited regarding the future of this important highway system linkage. Over 350 people attended public hearings held in November of 1997. After evaluating the comments and concerns received at the public hearings, general consensus was achieved in support of the corridor west of the Village of Constantine.

MDOT has since adopted its 5 Year Road and Bridge Program Plan which identifies the need to perform the US-131 Improvement Study within the Constantine area. This study will recommend locations within the identified 1-mile planning corridor where US-131 could be upgraded, improved and/or relocated, including a potential bypass of the Village of Constantine. Improvement options to be considered during the US-131 Improvement Study will include a two-lane bypass, a multiple lane type facility, a boulevard and/or a limited access freeway. To download a copy of the Public Hearing Brochure distributed at the November 1997 Public Hearing or MDOT's 5 Year Road and Bridge Program Plan in PDF Format please click below.

Corridors Studied During the Prior MDOT Corridor Location Study:
Two independent organizations have formed in support of local community and regional interests in improving US-131. The following provides a brief summary of each of these organizations.

  • US-131 Corridor Master Plan Committee
    The US-131 Master Plan Committee was created by resolution in February 1996 and is comprised of representatives from fifteen local units of government and other appointees representing interested organizations along the US-131 corridor in both St. Joseph and Kalamazoo Counties. The US-131 Corridor Master Plan Committee was formed seeking to upgrade US-131 within St. Joseph and Kalamazoo Counties to a limited access facility. The Committee recommended utilizing the existing right-of-way where possible, except for the Villages of Constantine and Schoolcraft, where they felt a new highway should bypass both villages. The US-131 Corridor Master Plan Committee has also recommended that measures be taken during the study to assure minimal land loss occurs as a result of upgrading the highway, as well as minimal disruption to the homes, businesses, farms and the sense of community within St. Joseph and Kalamazoo Counties.
  • US-131 Area Development Association
    The US-131 Area Development Association of Michigan has promoted the completion of US-131 as a freeway from the Indiana state line to the Straits of Mackinac since the mid-1950's and in 1969 became a full-time operating organization. Since that time its Board of Directors has met monthly to promote its official goal of "promoting the speedy ompletion of highway US-131 as a freeway from the Indiana Toll Road (interchange) to the Straits of Mackinac via a connection with I-75." To accomplish this goal, the association provides representation at meetings held to discuss future US-131 highway development issues. The association has actively been promoting a freeway concept for the segment of US-131 running from the Village of Schoolcraft to the Indiana state line since the late 1980's
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Related Content
 •  Study Newsletter - February 2004 PDF icon
 •  Study Newsletter - November 2003 PDF icon
 •  Public Brochure PDF icon
 •  Historical/Archaeological Resources
 •  MDOT Announces Expansion Of US-131 Study In Southwest Michigan
 •  MDOT Kicks Off US-131 Improvement Study

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