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| M-123 (Michigan highway) | |
|---|---|
| State | MI |
| Route | 123 |
| Length mi | 52.671 |
| Established | 1939 |
| Direction a | South |
| Terminus a | Oscoda |
| Direction b | North |
| Terminus b | Sault Ste. Marie |
M-123 (Michigan highway) is a state trunkline in the U.S. state of Michigan running through the Upper Peninsula from near Oscoda northward toward Sault Ste. Marie. The route connects rural communities, recreation areas, and regional corridors serving Ironton, Ely Township, and the Tahquamenon Falls State Park region. It functions as a link between US 23, Interstate 75, and local county roads while traversing national forests and tribal lands.
M-123 begins near Oscoda at an intersection with US 23 and proceeds north through Arenac County into Alcona County and the Huron National Forest. The highway passes by Hubbard Lake, Black Lake, and through the community of Spruce before entering Alger County and skirting the edge of Tahquamenon Falls State Park. Along its corridor M-123 meets M-28 and provides connections to Newberry via county routes and state connectors. Continuing north, the highway traverses sections of the Hiawatha National Forest and passes near Lake Superior State Forest before turning eastward to terminate near Interstate 75 and approach the Sault Ste. Marie International Bridge access corridors serving Sault Ste. Marie.
The designation was created in 1939 during a period of expansion of the Michigan State Trunkline Highway System as part of statewide efforts to improve access to northern recreation sites and resource areas. Early routing adjustments in the 1940s and 1950s reflected developments related to US 23 realignments, wartime infrastructure work tied to World War II mobilization, and postwar growth in tourism connected to Tahquamenon Falls State Park. Later changes involved coordinated projects with Michigan Department of Transportation to upgrade pavement and safety features concurrent with federal programs such as the Federal-Aid Highway Act of 1956. In subsequent decades, the corridor adapted to regional planning influenced by agencies like the National Park Service and state natural resource authorities managing the Tahquamenon River watershed and adjacent forests.
Major junctions along the route include its southern terminus at US 23 near Oscoda, a concurrency and crossing with M-28 near Newberry access points, and connections toward Interstate 75 approaching Sault Ste. Marie. The route provides linkage to county trunklines such as County Road 100 and regional connectors used to reach communities like Ely Township, Ironton, and Rudyard.
Traffic volumes on the highway vary from low-density rural counts near forested stretches to higher seasonal volumes near recreational destinations such as Tahquamenon Falls State Park and Hubbard Lake. Annual Average Daily Traffic figures reported by the Michigan Department of Transportation show increased use during summer months by visitors traveling from Detroit, Grand Rapids, and Traverse City. The corridor supports commercial timber transport serving companies operating in the Upper Peninsula logging industry and facilitates access for tribal communities including members of the Sault Tribe of Chippewa Indians.
The highway provides access to the Tahquamenon Falls, part of Tahquamenon Falls State Park, renowned for its waterfalls and scenic vistas along the Tahquamenon River. M-123 runs adjacent to sections of the Hiawatha National Forest and Huron National Forest, offering trailheads linked to the North Country National Scenic Trail. Nearby lakes such as Hubbard Lake and wetlands in the Lake Superior watershed attract anglers and birdwatchers visiting habitats for species noted by the Audubon Society. Seasonal attractions include fall foliage drives and winter snowmobiling connected to statewide trail systems managed in coordination with the Michigan Snowmobile Association.
Responsibility for routine maintenance falls to the Michigan Department of Transportation, which oversees pavement preservation, winter snow removal, and signage conforming to the Manual on Uniform Traffic Control Devices. Preservation projects have coordinated funding through federal programs administered by the Federal Highway Administration and state appropriations. Portions of the route have been designated scenic corridors in regional planning documents produced by the Michigan Department of Natural Resources and local metropolitan planning organizations.
Planned work involves pavement rehabilitation, bridge inspections, and safety improvements prioritized by the Michigan Transportation Commission and executed by MDOT. Proposals include enhanced pullouts for viewing the Tahquamenon Falls, upgraded trailhead parking to support the North Country Trail, and improvements to intersections with M-28 and county routes to reduce seasonal congestion from tourism traffic originating in urban centers such as Detroit and Minneapolis.
Category:State highways in Michigan