Toll payment scam alert

Individuals have reported receiving text messages claiming to be from MDOT and demanding toll payments. This is a scam. MDOT does not operate any toll roads; messages should be ignored and deleted immediately. Learn more from MDOT Director Bradley C. Wieferich and Attorney General Dana Nessel.

Watch a video message from Director Wieferich warning against tolling scams

MDOT

Travel

Commuters
Tourists
Traffic and safety
Maps
Bridges and crossings
Mobility

Commuters

Go to Commuters

Our goal is to keep Michigan's motorists safe, informed, and mobile. That is why MDOT offers many ways to help ease the stress of commuting by providing information that commuters want and need as they make daily travel decisions.

Tourists

Did you know that millions of people visit the Great Lakes State every year? Whether you are from out of state or right here in Michigan, we want to ensure your travel throughout Michigan is informative, comfortable, and fun.

Traffic and safety

Go to Traffic and safety

At MDOT, safety is paramount. It is our goal to improve overall safety for all road users, internal staff, contractors performing work on roads, and emergency responders.

Maps

Every year, MDOT produces an updated version of the state transportation map. The department also produces numerous geographic information system maps to assist commuters, tourists, and businesses.

Bridges and crossings

Go to Bridges and crossings

In Michigan, there are three publicly-owned and operated bridges: Mackinac Bridge, Blue Water Bridge, and International Bridge. There are also two privately-owned and operated border crossings: Ambassador Bridge and Detroit-Windsor Tunnel.

Mobility

A vibrant and sustainable multimodal transportation system is vital to Michigan's future economic viability and competitiveness. From aviation to public transportation, rail, freight, and marine, MDOT is involved in all modes of transportation.

Projects and studies

Go to Projects and studies

Programs

External Civil Rights

Go to External Civil Rights

MDOT's Office of Business Development (OBD) manages external civil rights programs, such as the Disadvantaged Business Enterprise (DBE) Program, the On-the-Job Training Program, and the Small Business Program, and ensures compliance with Title VI of the Civil Rights Act of 1964, equal opportunity requirements for contractors, and the Americans with Disabilities Act of 1990.

Title VI Nondiscrimination

Go to Title VI Nondiscrimination

MDOT is committed to ensuring that projects, programs and services are performed without discrimination, under Title VI.

Equal Employment Opportunity (EEO) for Contractors

Go to Equal Employment Opportunity (EEO) for Contractors

Contractors and vendors who work on federally assisted projects are required to establish and carry out policies to assure that applicants are employed and that employees are treated during employment without regard to their race, religion, sex, sexual orientation, gender identity, color, national origin, age, or disability.

Small Business Program

Go to Small Business Program

Bridges & Structures

Go to Bridges & Structures

The Bureau of Bridges and Structures is responsible for statewide policy, procedure development, and execution to ensure all bridges and structures are designed, constructed, maintained, and operated to ensure safety.

Grant programs

Go to Grant programs

MDOT provides funding for competitive grant and loan programs primarily, but not exclusively, for state and local road agencies for the greatest impact on economic development and job creation.

Highway Programs

Go to Highway Programs

MDOT's Highway Programs focus on the development and management of the department's roadsides, environmental efforts and policies, and federal-aid highway information.

Planning

The Bureau of Transportation Planning develops and implements a comprehensive transportation planning process which results in investments that are consistent with the policies of the State Transportation Commission.

Research Administration

Go to Research Administration

Research Administration supports and promotes innovative research that encourages safe, sustainable and cost-effective transportation solutions throughout Michigan.

Transportation System Management & Operations

Go to Transportation System Management & Operations

MDOT provides technologies and partnerships in order to make the transportation system safer and less congested.

Maintenance

Tribal Affairs

Go to Tribal Affairs

MDOT has ongoing government-to-government communication with 12 federally recognized sovereign tribal governments whose lands are situated within Michigan.

News and outreach

Go to News and outreach

Media relations

Go to Media relations

The Office of Communications works with the media to inform the public of MDOT's mission, policies and practices in a positive, consistent and credible manner. The office is responsible for media relations, social media, and website development.

Public Outreach

Go to Public Outreach

Public participation is integral to efficient, effective and responsive transportation decisions. At MDOT, we want to ensure your voice is not only heard, but makes a difference in moving Michigan forward.

News Releases

Go to News Releases

MDOT News Releases

Transportation Events

Go to Transportation Events

Transportation Reality Check

Go to Transportation Reality Check

Transportation Reality Check takes on transportation myths and misconceptions, and explains why MDOT does things the way they do.

Sign-up for E-mail Updates

Go to Sign-up for E-mail Updates

Business

MDOT Forms

Go to MDOT Forms

Design

Resources for the development of quality transportation project documents and services.

Construction

Go to Construction

Resources for specialized engineering and technical support for construction staff.

Contractors

Go to Contractors

Resources for prequalification, bid letting, contract awards, and payments.

Vendor and consultant services

Go to Vendor and consultant services

Resources for consultant advisories, prequalification information, contracts, and proposals.

Local Government

Go to Local Government

Resources for grant and economic development opportunities and project coordination.

Permits

Resources for local governmental agencies that regularly require access to state right of way.

Real Estate

Go to Real Estate

Resources for MDOT real estate standards, policies and procedures, and training.

Work Zone Mobility

Go to Work Zone Mobility

Resources for general work zone mobility guidelines for engineering and technical staff.

Truckers

Resources for rules, guidelines, restrictions, and permits to safely transport goods.

Maintenance

Go to Maintenance

Open data

Go to Open data

Open data refers to data that has been officially classified as public that can be made freely available for everyone to use without credentials or restrictions. MDOT promotes transparency, innovation and informed decision-making by providing datasets classified as public freely available to everyone.

Geographic Information System (GIS)

Go to Geographic Information System (GIS)

MDOT's goal is to support the implementation and use of GIS software and hardware through innovative solutions that solve spatial problems and support more informed decisions about Michigan's transportation infrastructure.

Technical training

Go to Technical training

The technical training (TT) course schedule lists the various technical training courses offered through the Office of Organizational Development during the construction off-season months for the local agencies and consultants.

Careers

MDOT jobs

Go to MDOT jobs

Internship Program

Go to Internship Program

The Internship Program offers undergraduate and graduate students interested in civil engineering and construction management careers, valuable experience by working with professional field staff.

Transportation and Civil Engineering Program

Go to Transportation and Civil Engineering Program

TRAC engages high school and middle school students in solving real-world problems, such as designing bridges or analyzing the environmental effects of building a highway.

Transportation Career Pathways Program

Go to Transportation Career Pathways Program

The MDOT Transportation Career Pathways Program is committed to helping you build a fulfilling and rewarding career in the transportation industry, even if you're not entirely sure where to start.

Engineer Development Program

Go to Engineer Development Program

MDOT's Engineer Development Program (EDP) is a rotational program that provides new engineers experience in multiple work areas while being assigned a senior-level mentor.

Veterans Internship Program

Go to Veterans Internship Program

The Veteran Internship Program assists honorably discharged veterans of the United States Armed Forces as they transition into the civilian workforce.

Engineering Week

Go to Engineering Week

Engineering Week videos and lesson plans are all-inclusive resources to show early elementary to high school students the career of civil engineering at MDOT.

About us

Contact MDOT

Go to Contact MDOT

At MDOT, we are here to help. If you can't find what you are looking for in our popular topics, frequently asked questions or website search, give us a call at 517-241-2400 or fill out our contact form.

Organization

Go to Organization

MDOT Regions

Go to MDOT Regions

MDOT's seven region offices each handle transportation-related construction, maintenance and programs within the region's geographic boundaries.

Government Relations

Go to Government Relations

The Office of Policy and Government Relations represents MDOT's interests as new or amendatory legislation is developed or moving through the legislative process.

Commissions and councils

Go to Commissions and councils

Commissions and councils provide a public forum for policy development and implementation.

Policies

Policies help the department implement its mission of serving and connecting people, communities, and the economy through transportation.

Complete Streets/Context Sensitive Solutions

Performance

Go to Performance

Allows MDOT's regions and engineers to expand their knowledge on how Michigan freeways are operating over time and how they compare to each other.

ACEC Partnership

Go to ACEC Partnership

History & Culture

Go to History & Culture

FAQs

Mi Drive

US-31 Rebuilding Project - Grand Traverse and Benzie counties

US-31 Rebuilding Project - Grand Traverse and Benzie counties

About this project

MDOT plans to rebuild a 7.8-mile section of US-31 from Sullivan Road in Green Lake Township, Grand Traverse County, to Reynolds Road in Inland Township, Benzie County, in 2025 and 2026. The proposed work will include roadway rebuilding and widening to improve pavement condition and provide safety improvements with the addition of center left-turn lanes, widened paved shoulders, and rumble strips. The South Long Lake Road/J. Maddy Parkway intersection will be rebuilt as a roundabout.

Tentative schedule for construction

Spring - Summer 2025: Tree clearing and detour route improvements.
Fall 2025: Unsuitable soil excavation and replacement at Tonawanda Creek and Cedar Hedge Creek bridges. Detours required.
Spring - Summer 2026: US-31 rebuilding, Sullivan Road to west of J. Maddy Parkway/S. Long Lake Road, including roundabout construction. Detours required.
Summer - Fall 2026: US-31 rebuilding, west of J. Maddy Parkway/S. Long Lake Road to Reynolds Road. Detours required.

Project details

Schedule

Spring 2025 - Fall 2026

Location

Green Lake Township, Grand Traverse County
Inland Township, Benzie County

Cost

$32.5 million

Benefits

Improve safety
Improve pedestrian crossings
Improve bicycle crossings
Extend roadway service life

Project map and information

Interactive project map

Detour information

US-31 Road Safety Audit

Roundabout benefits

Frequently asked questions (FAQs)

Submit project comments

Check current lane closures on Mi Drive

Public meeting – June 18, 2024

Project overview flyer (June 2024)

Project presentation (June 2024)

Summary of comments - Meeting (June 2024)

Summary of comments - Website (June 2024)

Public meeting – July 18, 2023

Project overview flyer (July 2023)

Project presentation (July 2023)

Summary of comments - Meeting (July 2023)

Summary of comments - Website (July 2023)

Follow this project

Follow us on Facebook

Follow us on X

Sign up for e-mail updates

Project questions? Contact Lucas Porath, Traverse City TSC, at 231-941-1986.