POWER OF ATTORNEY     Landstar System, Inc.    Annual Report on    Form 10-K    for fiscal year ended    12/26/09     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby    make, constitute and appoint James B. Gattoni and Michael K.    Kneller, and each of them, with full power in each to act    without the other, his true and lawful attorney-in-fact and    agent, in his name, place and stead to execute on his behalf, as    an officer    and/or    director of Landstar System, Inc. (the “Company”), the    Annual Report on    Form 10-K    of the Company for the fiscal year ended December 26, 2009,    and file the same with all exhibits thereto and other documents    in connection therewith, with the Securities and Exchange    Commission (the “SEC”) pursuant to Sections 13 or    15(d) of the Securities Exchange Act of 1934, as amended (the    “Act”), and any and all other instruments which either    of said attorneys-in-fact and agents deems necessary or    advisable to enable the Company to comply with the Act, the    rules, regulations and requirements of the SEC in respect    thereof, giving and granting to each of said attorneys-in-fact    and agents full power and authority to do and perform each and    every act and thing whatsoever necessary or appropriate to be    done in and about the premises as fully to all intents as he    might or could do if personally present at the doing thereof,    with full power of substitution and resubstitution, hereby    ratifying and confirming all that his said attorneys-in-fact and    agents or substitutes may or shall lawfully do or cause to be    done by virtue hereof.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand on    the date indicated below.     /s/ William S. Elston    William S. Elston     DATED: January 26, 2010

 
    POWER OF ATTORNEY     Landstar System, Inc.    Annual Report on    Form 10-K    for fiscal year ended    12/26/09     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby    make, constitute and appoint James B. Gattoni and Michael K.    Kneller, and each of them, with full power in each to act    without the other, his true and lawful attorney-in-fact and    agent, in his name, place and stead to execute on his behalf, as    an officer    and/or    director of Landstar System, Inc. (the “Company”), the    Annual Report on    Form 10-K    of the Company for the fiscal year ended December 26, 2009,    and file the same with all exhibits thereto and other documents    in connection therewith, with the Securities and Exchange    Commission (the “SEC”) pursuant to Sections 13 or    15(d) of the Securities Exchange Act of 1934, as amended (the    “Act”), and any and all other instruments which either    of said attorneys-in-fact and agents deems necessary or    advisable to enable the Company to comply with the Act, the    rules, regulations and requirements of the SEC in respect    thereof, giving and granting to each of said attorneys-in-fact    and agents full power and authority to do and perform each and    every act and thing whatsoever necessary or appropriate to be    done in and about the premises as fully to all intents as he    might or could do if personally present at the doing thereof,    with full power of substitution and resubstitution, hereby    ratifying and confirming all that his said attorneys-in-fact and    agents or substitutes may or shall lawfully do or cause to be    done by virtue hereof.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand on    the date indicated below.     /s/ Diana M. Murphy    Diana M. Murphy     DATED: January 26, 2010

 
    POWER OF ATTORNEY     Landstar System, Inc.    Annual Report on    Form 10-K    for fiscal year ended 12/26/09     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby    make, constitute and appoint James B. Gattoni and Michael K.    Kneller, and each of them, with full power in each to act    without the other, his true and lawful attorney-in-fact and    agent, in his name, place and stead to execute on his behalf, as    an officer    and/or    director of Landstar System, Inc. (the “Company”), the    Annual Report on    Form 10-K    of the Company for the fiscal year ended December 26, 2009,    and file the same with all exhibits thereto and other documents    in connection therewith, with the Securities and Exchange    Commission (the “SEC”) pursuant to Sections 13 or    15(d) of the Securities Exchange Act of 1934, as amended (the    “Act”), and any and all other instruments which either    of said attorneys-in-fact and agents deems necessary or    advisable to enable the Company to comply with the Act, the    rules, regulations and requirements of the SEC in respect    thereof, giving and granting to each of said attorneys-in-fact    and agents full power and authority to do and perform each and    every act and thing whatsoever necessary or appropriate to be    done in and about the premises as fully to all intents as he    might or could do if personally present at the doing thereof,    with full power of substitution and resubstitution, hereby    ratifying and confirming all that his said attorneys-in-fact and    agents or substitutes may or shall lawfully do or cause to be    done by virtue hereof.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand on    the date indicated below.     /s/ Jeffrey C. Crowe    Jeffrey C. Crowe     DATED: January 26, 2010

 
    POWER OF ATTORNEY     Landstar System, Inc.    Annual Report on    Form 10-K    for fiscal year ended 12/26/09     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby    make, constitute and appoint James B. Gattoni and Michael K.    Kneller, and each of them, with full power in each to act    without the other, his true and lawful attorney-in-fact and    agent, in his name, place and stead to execute on his behalf, as    an officer    and/or    director of Landstar System, Inc. (the “Company”), the    Annual Report on    Form 10-K    of the Company for the fiscal year ended December 26, 2009,    and file the same with all exhibits thereto and other documents    in connection therewith, with the Securities and Exchange    Commission (the “SEC”) pursuant to Sections 13 or    15(d) of the Securities Exchange Act of 1934, as amended (the    “Act”), and any and all other instruments which either    of said attorneys-in-fact and agents deems necessary or    advisable to enable the Company to comply with the Act, the    rules, regulations and requirements of the SEC in respect    thereof, giving and granting to each of said attorneys-in-fact    and agents full power and authority to do and perform each and    every act and thing whatsoever necessary or appropriate to be    done in and about the premises as fully to all intents as he    might or could do if personally present at the doing thereof,    with full power of substitution and resubstitution, hereby    ratifying and confirming all that his said attorneys-in-fact and    agents or substitutes may or shall lawfully do or cause to be    done by virtue hereof.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand on    the date indicated below. /s/  Michael    A. Henning    Michael A. Henning     DATED: January 26, 2010