EXHIBIT 21 CONSOLIDATED FREIGHTWAYS CORPORATION SIGNIFICANT SUBSIDIARIES OF THE COMPANY December 31, 1997 The Company and its significant subsidiaries were: State or Percent of Province or Stock Owned Country of Parent and Significant Subsidiaries by Company Incorporation Consolidated Freightways Corporation Delaware Significant Subsidiaries of Consolidated Freightways Corporation Consolidated Freightways Corporation of Delaware 100 Delaware Canadian Freightways, Limited 100 Alberta, Canada Milne & Craighead Customs Brokers (Canada) Ltd. 100 Canada Canadian Freightways Eastern Limited 100 Ontario, Canada United Terminals LTD. 100 Canada Blackfoot Logistics 100 British Columbia Consolidadora De Fletes Mexico 100 Mexico Leland James Service Corporation 100 Delaware Redwood Systems, Inc. 100 Delaware Redwood Systems Logistics de Mexico 100 Mexico Redwood Systems Services de Mexico 100 Mexico