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![](../../../I/M-15_centerline_1917.jpg.webp)
Portal:U.S. roads/Selected picture/November 2011
Recently selected: Blue Ridge Parkway • Interstate 70 in Maryland • U.S. Route 550
![](../../../I/M-15_centerline_1917.jpg.webp)
The original M-15 (now County Road 492) between Marquette and Negaunee, Michigan in 1917 showing the first centerline on a state highway.
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