Exhibit 23.7 Arthur Andersen LLP CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement on Form S-8 of our report dated February 27, 1997 included in Grand Prix Association of Long Beach, Inc.'s Form 10-KSB for the period ended November 30, 1996 and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP --------------------------- ARTHUR ANDERSEN LLP Los Angeles, California September 24, 1997