./screenshots/editing-paths.png" alt="editing-paths.png" />
</p>
<p><span class="figure-number">Figure 15: </span>Editing paths</p>
</div>

<p>
For paths you can set:
</p>

<dl class="org-dl">
<dt>Maximum diameter</dt><dd>This will prevent the model from installing a pipe larger than this diameter</dd>
<dt>Exists</dt><dd>If checked, the path already has a pipe in it, so its initial capital cost will be zero</dd>
<dt>Civil cost</dt><dd>Controls the civil cost category for the path, which affects the cost of 