M-154 is a state trunkline highway

Michigan Highway System

The Michigan State Trunkline Highway System is made up of all the highways designated as Interstates, U.S. Highways and State Highways in the US state of Michigan. The system is maintained by the Michigan Department of Transportation and comprises of trunklines in all 83 counties of Michigan on...

 in the U.S. state of Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

. It is entirely on Harsens Island

Harsens Island

Harsens Island is a wet marshy location at the mouth of the St. Clair River in the U.S. state of Michigan. Politically, the island is in Clay Township of St. Clair County.-History:...

 at the mouth of the St. Clair River

St. Clair River

The St. Clair River is a river in central North America which drains Lake Huron into Lake St Clair, forming part of the international boundary between the Canadian province of Ontario and the U.S. state of Michigan...

. It is one of only three trunklines in Michigan on islands. The other two are M-134

M-134 (Michigan highway)

M-134 is a state trunkline highway in the Upper Peninsula of the US state of Michigan. It connects Interstate 75 north of St. Ignace with the communities of Cedarville and De Tour Village along Lake Huron. East of De Tour, the highway crosses the De Tour Passage on a ferry to run south of the...

 on Drummond Island and M-185

M-185 (Michigan highway)

M-185 is a state trunkline highway in the U.S. state of Michigan that circles Mackinac Island, a popular tourist destination on the Lake Huron side of the Straits of Mackinac, along the island's shoreline. A narrow paved road of , it offers scenic views of the straits that divide the Upper and the...

 on Mackinac Island

Mackinac Island

Mackinac Island is an island and resort area covering in land area, part of the U.S. state of Michigan. It is located in Lake Huron, at the eastern end of the Straits of Mackinac, between the state's Upper and Lower Peninsulas. The island was home to a Native American settlement before European...

. Access to Harsens Island and M-154 is provided by ferry which runs year round and costs $7.00 for passenger vehicles and trucks.

Route description

M-154 begins where Green Road ends on Harsens Island at the mouth of the St. Clair River. From there the road travels northward around the east edge of the island for about 2.5 miles (4 km) before it cuts a block inland. It continues on to the northeast, still as Green Road until it reaches an intersection with La Croix Road, at which point it turns northwest. It continues on this path before curving back around to the northeast on Columbine Street where it continues up to an intersection with Channel Drive, where it turns west and terminates at the Harsens Island Ferry dock. The road drives primarily through sparsely populated areas except where it abuts the shore lines where denser housing exists.

History

M-154 has existed on Harsens Island since 1931. The original routing started in the northeast corner of the island travelling down Channel Drive to Little Avenue, which does not exist in its entirety today. From here it the connected LaCroix Road and matched up with the present day alignment at this point. The following year, rather than routing M-154 onto Little Avenue, it remains on LaCroix Road where it curves onto Columbine Street to North Channel Road where it terminates at the present day ferry dock. Since then the only modification has been to curve the LaCroix Road and Columbine Street intersection.

Major intersections

The entire highway is on Harsens Island, St. Clair County

St. Clair County, Michigan

-Interstates:* I-69 enters the county from the west, coming from Lansing and Flint, terminating at the approach to the Blue Water Bridge in Port Huron....

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