Tratnyek, J.P. <br/><br/>
Development of a time-calibrated, self-cancelling ticket initial feasibility determination/ \ J.P. Tratnyed. 

 - Washington:  U.S. Department of Transportation,  1977 
 - ix,83p.:  chart;  28 cm. 
<br/><br/> Repot no.UMTA-IT-06-0125-77-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic engineering
<br/><br/><label>Dewey Class. No.: </label>US 625.794  / Un 31(repo./1977)