EXERCISE OF POWER OF SUBSTITUTION

FOR

POWERS OF ATTORNEY

Know all by these presents that the undersigned has been constituted and appointed an attorney-in-fact for each of the persons identified below ("Principals") to take certain specified actions for and on behalf of each Principal pursuant to certain Powers of Attorney identified below (the "Powers") and has been given full power of substitution by each Principal:

THE POWERS

Name of Principal		Date of Power
John Breslow		December 2, 2003
Robert V. Fasso		December 4, 2003
Jeffrey A. Hale		December 4, 2003
Porter J. Hall		December 2, 2003
Steve Owen		December 2, 2003
Jerry Moyes		December 2, 2003
Vickie Moyes		December 10, 2003
Jerry and Vickie Moyes Family Trust		December 2, 2003
Moyes Children's Trust		December 2, 2003

In consideration of the premises hereof, the undersigned hereby constitutes and appoints David J. Routh to be and act as the substitute for the undersigned under each of the Powers and, therefore, to be and act as each Principal's true and lawful attorney-in-fact to:

(1)

execute for and on behalf of each Principal, in the Principal's capacity as an officer, director, and/or ten percent stockholder of Central Freight Lines, Inc. (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2)

do and perform any and all acts for and on behalf of each Principal which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and

(3)

take any other action of any type whatsoever which the undersigned is authorized to take in connection with the foregoing which, in the opinion of such substitute attorney-in- fact, may be of benefit to, in the best interest of, or legally required (in terms of compliance with the securities laws) by, any of the Principals, it being understood that the documents executed by such substitute attorney-in-fact on behalf of each Principal pursuant to such Principal's Power and this instrument shall be in such form and shall contain such terms and conditions as such substitute attorney-in-fact may approve in such substitute attorney-in-fact's discretion.

The undersigned hereby grants to such substitute attorney- in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present under the authority of each of the Powers, with full power of revocation, hereby ratifying and confirming all that such substitute attorney-in-fact shall lawfully do or cause to be done by virtue of this instrument and the rights and powers herein granted. The undersigned acknowledges that the foregoing substitute attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming any responsibilities of any Principal to comply with Section 16 of the Securities Exchange Act of 1934.

This instrument shall remain in full force and effect as to each Power until the undersigned is no longer authorized to act under such Power, unless earlier revoked by the undersigned (or the applicable Power is revoked by its Principal) in a signed writing delivered to the foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has executed this Exercise of Power of Substitution for Powers of Attorney as of this 24th day of May, 2005.

	/s/ Catherine A. Chase
	Catherine A. Chase

CENTRAL FREIGHT LINES INC 4