michigan highway state trunkline highway state michigan entirely mouth michigan islands access island provided ferry runs year round highway designated realigned island years route description begins green road merges island mouth road travels northward east edge island miles cuts block inland continues northeast green road reaches intersection point turns northwest continues path curving northeast street continues intersection turns west terminates dock road runs primarily sparsely populated areas shore lines housing exists like state highways michigan maintained michigan_department_of_transportation mdot department traffic surveys showed average vehicles highway daily section listed national_highway_system network roads important country economy defense mobility like highways located islands state connects ferry located history existed original routing started northeast corner island travelling channel drive little avenue exist entirety today connected matched present day alignment point late early routing little avenue rerouted road curves street terminates present day ferry dock major intersections entire highway entire highway
M-154 (Michigan highway)