Keywords: M-Blank.svg Vector image of a Michigan state trunkline highway shield Created in Inkscape 0 43 with the Roadgeek font set Michigan state trunk line highway blank Created in Inkscape 0 43 with the Roadgeek font set Sign M1-6 of the cite book Michigan Department of Transportation Michigan State Police Federal Highway Administration http //mdotwas1 mdot state mi us/public/tands/Details_Web/mmutcdsupplement pdf Manual on Uniform Traffic Control Devices 2005 Michigan supplement to 2003 edition Michigan Department of Transportation PDF 2D-5 2006-06-02 IW4 Page I-1 states Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain Federal Highway Association Michigan Department of Transportation and Michigan State Police Michigan state trunk line highway shields Highway shield blanks M1-5 MI |