Hay, William Walter, <br/><br/>
An introduction to transportation engineering / 
William W. Hay. 
 - 2d ed. 
 - New York :  Wiley,  c1977. 
 - xvi, 652 p., [2] fold. leaves of plates :  ill. ;  24 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0471364339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>629.4  / HAY