<div class="description">
<dl><dd>Final report</dd>
<dd>"May 1972."</dd>
<dd>Performed by System Development Corporation., sponsored by U.S. Federal Highway Administration under contract no</dd></dl><br>Subjects: diamond interchanges; Roads; Traffic flow</div>
<div class="fn value">
<dl><dd>Widdice, B. D</dd>
<dd>United States. Federal Highway Administration</dd>
<dd>System Development Corporation</dd></dl></div>
Internet Archive identifier