================================================================================


                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                    FORM 8-K

                                   ----------

                                 CURRENT REPORT
                         PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


         Date of Report (Date of earliest event reported): June 6, 2001



                          SWIFT TRANSPORTATION CO, INC.
             (Exact Name of Registrant as Specified in its Charter)



         NEVADA                        0-18605                   86-0666860
(State or other jurisdiction of      (Commission               (I.R.S Employer
incorporation or organization)       File Number)           (Identification No.)


                             2200 South 75th Avenue
                             Phoenix, Arizona 85043
               (Address of Principal Executive Offices) (Zip Code)


                                 (602) 269-9700
              (Registrant's Telephone Number, Including Area Code)

================================================================================

ITEM 5. OTHER EVENTS

     On June 6, 2001, Swift issued a press release  announcing that its earnings
results  for the  second  quarter  of 2001 are  expected  to be below  analyst's
expectations.  The press  release  is  attached  hereto as  Exhibit  99.1 and is
incorporated by reference herein.

ITEM 7. EXHIBITS.

     (c) Exhibits

         99.1       Press Release of Swift Transportation Co., Inc.

                                       2

                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                       SWIFT TRANSPORTATION CO., INC


Date: June 8, 2001                     By /s/ William F. Riley III
                                          --------------------------------------
                                          William F. Riley III
                                          Senior Executive Vice President,
                                          Chief Financial Officer and Secretary

                                       3