pectively:</p>
<pre class="literal-block">
typedef adjacency_list&lt;vecS,
                       distributedS&lt;parallel::mpi::bsp_process_group, vecS&gt;,
                       directedS,
                       City, Highway&gt;
  RoadMap;
</pre>
<p>Property maps for internal properties retain their behavior with
distributed graphs via <a class="reference external" href="distributed_property_map.html">distributed property maps</a>, which automate
communication among processes so that <tt class="docutils