Alberta highways road marker shield
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Svgalbertian" class="extiw" title="wikipedia:User:Svgalbertian">Svgalbertian</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
Derivative works of this file:  <a href="//commons.wikimedia.org/wiki/File:Alberta_primary_highway_template.svg" title="File:Alberta primary highway template.svg">Alberta primary highway template.svg</a>; copy of previous version saved as <a href="//commons.wikimedia.org/wiki/File:AB-provincial_highway_(1970s).svg" title="File:AB-provincial highway (1970s).svg">AB-provincial highway (1970s).svg</a>.