<div class="description">
<dl><dd>Prepared for the Federal Highway Administration under contract no. DOT-OS-40022-1</dd>
<dd>Workshop held in San Francisco on September 19-22, 1973</dd>
<dd>Includes bibliographical references</dd></dl><br>Subjects:</div>
<div class="fn value">
<dl><dd>National Research Council. Transportation Research Board</dd>
<dd>United States. Federal Highway Administration</dd></dl></div>
Internet Archive identifier