Hay, William Walter,  1908- <br/><br/>
An introduction to transportation engineering /  
William W. Hay 
 - 505 pages:  illustrations;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>61005671  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>LC Class. No.: </label>TA1145  / .H35 
<br/><br/><label>Dewey Class. No.: </label>629.04