Subgrade

<h2 id="construction">Construction</h2>
<p>Subgrades are commonly compacted before the construction of a road, pavement or railway track. This is to ensure their ability to absorb the loads being transferred down from the upper layers, increasing the life and wear of the surface courses.
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<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Subsoil/URWLX60v">Subsoil</a></li>
<li><a href="/facts/Track_bed/vSfEx7pX">Track bed</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>http://www.highwaysmaintenance.com/drainage.htm The Idiots' Guide to Highways Maintenance highwaysmaintenence.com <a href="http://www.highwaysmaintenance.com/drainage.htm" target="_blank">http://www.highwaysmaintenance.com/drainage.htm</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>"Ruts Cause Hydroplaning Accidents". www.atlantaeng.com. Retrieved 2024-02-09. <a href="https://www.atlantaeng.com/ruts_cause_hydroplaning.html" target="_blank">https://www.atlantaeng.com/ruts_cause_hydroplaning.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
</ol>

Subgrade open-in-new

Subgrade