William  F. Gay <br/><br/>
Summary of national transportation statistics/ 
aut.; William F. Gay 
 - Washington DC :  Dept. of transportation,  1975 
 - vi, 153 p. :  ill, chart, maps ;  28 cm. 
<br/><br/> Performing organization report no. DOT-TSC-OST-75-18  Final report : Jan. 1963-dec. 1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation --Statistics. --United States <br/>Transportation.
<br/><br/><label>Dewey Class. No.: </label>US 380.50973 W 66  / G 66 (June/1975)