Sec. 906 Certification of Chief Financial Officer

EXHIBIT 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Landstar System, Inc. (the “Company”) on Form 10-Q for the period ending March 27, 2004, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Robert C. LaRose, Chief Financial Officer of the Company, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities and Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/S/ Robert C. LaRose

Robert C. LaRose
Vice President, Chief
Financial Officer and Secretary
April 29, 2004

(1)		The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities and Exchange Act of 1934; and

(2)		The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.