<ARTICLE>                     5
<LEGEND>
         THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
         FINANCIAL  STATEMENTS  AS OF  MARCH  31,1999  AND IS  QUALIFIED  IN ITS
         ENTIRETY BY REFERENCE TO SUCH STATEMENTS
</LEGEND>
<CIK>                                                863557
<NAME>                       SWIFT TRANSPORTATION CO., INC.
<MULTIPLIER>                                          1,000
<CURRENCY>                                       US DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                               DEC-31-1999
<PERIOD-START>                                  JAN-01-1999
<PERIOD-END>                                    MAR-31-1999
<EXCHANGE-RATE>                                           1
<CASH>                                                4,531
<SECURITIES>                                              0
<RECEIVABLES>                                       123,640
<ALLOWANCES>                                              0
<INVENTORY>                                           3,408
<CURRENT-ASSETS>                                    159,582
<PP&E>                                              631,153
<DEPRECIATION>                                      142,278
<TOTAL-ASSETS>                                      657,893
<CURRENT-LIABILITIES>                                94,016
<BONDS>                                                   0
<PREFERRED-MANDATORY>                                     0
<PREFERRED>                                               0
<COMMON>                                                 65
<OTHER-SE>                                          339,769
<TOTAL-LIABILITY-AND-EQUITY>                        657,893
<SALES>                                             234,944
<TOTAL-REVENUES>                                    234,944
<CGS>                                                     0
<TOTAL-COSTS>                                       213,112
<OTHER-EXPENSES>                                       (279)
<LOSS-PROVISION>                                          0
<INTEREST-EXPENSE>                                    2,068
<INCOME-PRETAX>                                      20,043
<INCOME-TAX>                                          7,940
<INCOME-CONTINUING>                                  12,103
<DISCONTINUED>                                            0
<EXTRAORDINARY>                                           0
<CHANGES>                                                 0
<NET-INCOME>                                         12,103
<EPS-PRIMARY>                                           .19
<EPS-DILUTED>                                           .19