MDOT lifting restrictions for hauling fuel and battery materials on Ambassador Bridge in Detroit

DETROIT, Mich. - Following months of public input from residents, business owners, lawmakers, and other interested parties, the Michigan Department of Transportation (MDOT) will lift some restrictions on the transport of materials over the Ambassador Bridge in Detroit. Effective Oct. 29, 2024, MDOT will now allow the transport of some fuels and materials for batteries. This announcement follows six months of reviewing factual comments, meeting with both law enforcement and first responders, and reviewing comments submitted from the public.

The Detroit International Bridge Co. (DIBC) requested the modifications to current restrictions placed on what types of materials are allowed to cross the Ambassador Bridge. State law designates MDOT as the agency responsible for determining where restricted materials cannot be carried. In June 2021, MDOT commissioned a technical study to review and evaluate the risks associated with transportation of restricted materials on the Ambassador Bridge from Porter Street in Detroit to Canada, should any existing restrictions be changed.

Following legal guidelines, MDOT shared the study in November 2023 during a public comment period, and collected more than 80 letters from elected officials, business owners and other members of the public, many expressing support for the changed restrictions. On March 20, 2024, MDOT held a public hearing to further engage with the community and collect additional feedback. Utilizing the study, MDOT determined that a net improvement to public safety would result from granting the modifications requested by the DIBC.

DIBC currently has a fire suppression system and spill mitigation protocols and materials in place. Restricted materials will only be transported during off-peak hours, under the supervision of vehicle escorts. Additional information regarding hazardous materials routing and MDOT''s consideration of these changes is available on the MDOT website.