Map of the <a href="https://en.wikipedia.org/wiki/Interchange_(road)" class="extiw" title="en:Interchange (road)">interchange</a> Grand Saint-Bernard of <a href="https://en.wikipedia.org/wiki/A9_motorway_(Switzerland)" class="extiw" title="en:A9 motorway (Switzerland)">A9</a> and <a href="https://en.wikipedia.org/wiki/A21_motorway_(Switzerland)" class="extiw" title="en:A21 motorway (Switzerland)">A21</a> motorways of Switzerland
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