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

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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

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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

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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

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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

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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

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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

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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

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

News and outreach

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Media relations

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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

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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

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MDOT News Releases

Transportation Events

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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

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Design

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

Construction

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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

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Resources for grant and economic development opportunities and project coordination.

Permits

Resources for permits issued by MDOT or related 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

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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

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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

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MDOT Regions

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

Government Relations

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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

Popular on michigan.gov

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Maintenance advisories

Maintenance advisories

Maintenance advisories (MA) provide information and guidance in performing maintenance activities on state trunklines to regions, TSCs, garages, special crews, and local agencies.

They are meant to promote uniformity in interpretation and application of maintenance practices statewide.

MAs have been used since 2005. Maintenance memos (MM) were used to convey information and updates on maintenance practices from 1977 to 2007.

If there is conflicting information between a published MM and MA, the information in the most recent document should prevail.

Maintenance advisories index

2024

MA 2024-02 CAT-350 Guardrail Terminal: Addition of Square Post Bolt Washers

MA 2024-01 Guidelines for soil erosion and sedimentation control

2023

MA 2023-02 Disposal of Road Killed Animals

2021

MA 2021-01 Responsibility for Maintenance of Grade Separations On State Trunklines

2019

MA 2019-01 Discontinued Use of Breakaway Cable Terminals (BCTs)

2018

MA 2018-05 Maintenance Work Project

MA 2018-04 Guidance on Using Wing-Plows

MA 2018-03 Disposing of Surplus and Unsuitable Soils

MA 2018-02 Storage of Materials Under Bridges and Structures

MA 2018-01 Discontinue Use of X-Lite Guardrail Terminal

2013

MA 2013-01 Best Practices for Applying Deicing Materials

2012

MA 2012-04 Roadside Vegetation Management

MA 2012-03 PDRP

MA 2012-02 Cable Grip Slippage during Barrier Repair

MA 2012-01 Guidelines for Roadside Vegetation Spray Programs

2010

MA 2010-04 Insurance for Maintenance Subcontracts

MA 2010-02 Cable Barrier Turnbuckles

2009

MA 2009-11 Snow Plowing Near Railroad Crossings

MA 2009-10 Abrasives in Winter Operations

MA 2009-09 Cable Barrier System

MA 2009-06 Edge Drains

MA 2009-04 Illicit Discharge

MA 2009-03 Damaged Mailboxes

MA 2009-02 Calibration of Salt Trucks

MA 2009-01 White Shoulder Policy

2008

MA 2008-07 Rest Area Lift Stations

MA 2008-05 Liquid Deicing