The national BUS traffic association has served as the single processing agent for interline THRU-tickets for scheduled service motorcoach operators in the private intercity BUS industry for the past 75 years. The association in its capacity as a NON-profit organization located in washington d.c., facilitates the processing of payables, receivables, and associated BUS services (e.g. Maintenance, dumping, cleaning, ticket revenue, and other related services), through its interline revenue clearing house (IRCH).