TY - GEN AU - Tratnyek,J.P. AU - ED - United States. TI - Development of a time-calibrated, self-cancelling ticket initial feasibility determination/ \ J.P. Tratnyed U1 - US 625.794 23rd ed. PY - 1977/// CY - Washington PB - U.S. Department of Transportation KW - Traffic engineering N1 - Repot no.UMTA-IT-06-0125-77-1 ER -