Exhibit 21 LIST OF SUBSIDIARIES 1. Roadway Express, Inc., a Delaware corporation 2. Roadway Express International, Inc., a Delaware corporation 3. Roadway S.A. de C.V., a Mexican corporation 4. Roadway Express, B.V., a Netherlands corporation 5. Roadway Reverse Logistics, Inc., an Ohio corporation 6. Transcontinental Lease S.A. de C.V., a Mexican corporation 7. Reimer Express Lines Ltd., a Canadian corporation 8. Roadway Funding, Inc., a Delaware corporation 9. Roadway Next Day Corporation, a Pennsylvania 10. New Penn motor Express, Inc., a Pennsylvania corporation 11. Arnold Transportation Services, Inc., a Pennsylvania corporation