EXHIBIT 99.1


                          CERTIFICATION
            Pursuant to 18 United States Code Section 1350


   The undersigned hereby certifies that to his knowledge the Quarterly
Report on Form 10-Q for the fiscal quarter ended June 29, 2002 of
Landstar System, Inc. (the "Company") filed with the Securities and
Exchange Commission on the date hereof fully complies with the
requirements of section 13(a) or 15(d) of the Securities Exchange
Act of 1934 and that the information contained in such report
fairly presents, in all material respects, the financial condition
and results of operations of the Company.




                                           /s/ Jeffrey C. Crowe
                                               -------------------------
                                               Jeffrey C. Crowe
                                               Chairman of the Board and
                                               Chief Executive Officer