The logo of the <a href="https://en.wikipedia.org/wiki/DC_Circulator" class="extiw" title="w:DC Circulator">DC Circulator</a>, a bus service in <a href="https://en.wikipedia.org/wiki/Washington,_D.C." class="extiw" title="w:Washington, D.C.">Washington, D.C.</a>
<a href="https://en.wikipedia.org/wiki/District_of_Columbia_Department_of_Transportation" class="extiw" title="w:District of Columbia Department of Transportation">District of Columbia Department of Transportation</a>
Extracted from the <a rel="nofollow" class="external text" href="http://www.dccirculator.com/Portals/0/docs/DC-Circulator-Brochure-2015.pdf">DC Circulator Brochure</a> and cropped in Inkscape.