New York State Route 28N (NY 28N) is a state highway in the Adirondacks in New York that extends from Blue Mountain Lake to North Creek. The route, 50.95 miles (82.00 km) in length, is a northerly alternate route to NY 28 between both locations. The highway passes through several communities before terminating at Route 28 in North Creek. Over its western end, it undergoes a 10-mile (16 km) concurrency with NY 30 through the town of (named after the lake) Long Lake, where Route 30 splits off, and Route 28N heads eastward through mountainous regions of the Adirondack Park.
The 40-mile (64 km) section of NY 28N not concurrent with NY 30 is designated as the Roosevelt–Marcy Trail, a scenic byway named for Theodore Roosevelt, who was then the Vice President of the United States. The byway marks the path Roosevelt took in 1901 to reach North Creek from Mount Marcy after learning that President William McKinley had been assassinated. The route has a rather scant history before its designations. The road originated as an old highway stretching from Warren County to Long Lake. It was used for transportation in the iron ore industry in Newcomb, and for the lumber industry in Minerva. New York State gained control of the road in 1909. The Route 28N designation was assigned as part of the 1930 renumbering, incorporating part of pre-1930 Route 10.
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