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EXHIBIT 21

QUIXOTE CORPORATION & SUBSIDIARIES
SUBSIDIARIES OF THE COMPANY
as of June 30, 2002

QUIXOTE CORPORATION (PARENT)				Jurisdiction Under Which Organized
Quixote Transportation Safety, Inc.				Delaware
	TranSafe Corporation			Delaware
		Nu-Metrics, Inc.		Pennsylvania
		Highway Information Systems, Inc.		Delaware
			TIS, Inc.	North Carolina
	National Signal, Inc.			California
	Surface Systems, Inc.			Missouri
		Sensing Systems, Ltd.		United Kingdom
	Energy Absorption Systems, Inc.			Delaware
		E-Tech Testing Services, Inc.		Delaware
		Spin-Cast Plastics, Inc.		Indiana
		Energy Absorption Systems (Europe), Inc.		Delaware
		Quixote Transportation Systems (Asia Pacific) Pty Limited		Australia
		Quixote Transportation Systems (Europe), Inc.		Delaware
Quixote Research Corporation				Delaware
Quixote Foreign Sales Corporation				U.S. Virgin Islands

        Quixote Transportation Safety, Inc., Quixote Research Corporation and Quixote Foreign Sales Corporation are wholly-owned by Quixote Corporation.

        TranSafe Corporation, National Signal, Inc., Surface Systems, Inc. and Energy Absorption Systems, Inc. are wholly-owned by Quixote Transportation Safety, Inc.

        All subsidiaries listed under TranSafe Corporation, Highway Information Systems, Inc., Surface Systems, Inc. and Energy Absorption Systems, Inc. are wholly-owned by those corporations.

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EXHIBIT 21