Hand-painted <a href="https://en.wikipedia.org/wiki/road_surface_marking" class="extiw" title="w:road surface marking">centerline</a> on <a href="https://en.wikipedia.org/wiki/state_highway" class="extiw" title="w:state highway">state highway</a> <a href="https://en.wikipedia.org/wiki/M-15_(Michigan_highway)" class="extiw" title="w:M-15 (Michigan highway)">M-15</a> in <a href="https://en.wikipedia.org/wiki/Marquette_County,_Michigan" class="extiw" title="w:Marquette County, Michigan">Marquette County, Michigan</a>, <a href="https://en.wikipedia.org/wiki/United_States" class="extiw" title="w:United States">United States</a>
<ul><li><a href="//commons.wikimedia.org/wiki/File:M-15_centerline_1917_printed.jpg" title="File:M-15 centerline 1917 printed.jpg">M-15_centerline_1917_printed.jpg</a>: unknown</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Quibik" title="User:Quibik">Quibik</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Quibik" title="User talk:Quibik"><span class="signature-talk">talk</span></a>)</li></ul>
1917
Higher quality copy of photo courtesy of the <a href="https://en.wikipedia.org/wiki/Michigan_Department_of_Transportation" class="extiw" title="w:Michigan Department of Transportation">Michigan Department of Transportation</a>. Original publication in <cite class="book" style="font-style:normal">Kulsea, Bill (1980)      <i> Making Michigan Move: A History of Michigan Highways and the Michigan Department of Transportation</i>, Lansing, MI:  Michigan Department of Transportation, p. 10  <small></small></cite>