Exhibit 12.1

BNSF RAILWAY COMPANY and SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In Millions, Except Ratio Amounts)

(Unaudited)



|                                                                                                  |  |      |      |   |      |   |      |  
|------------------------------------------------------------------------------------------------- |  | ---- | ---- | - | ---- | - | ---- | -
|Three Months Ended March 31,                                                                      |  | 2006 |      |   | 2005 |  
|Earnings:                                                                                         |  |      |      |   |      |   |      |  
|Income before income taxes                                                                        |  | $    | 789  |   |      | $ | 611  |  
|Add:                                                                                              |  |      |      |   |      |   |      |  
|Interest and other fixed charges excluding capitalized interest                                   |  |      | 32   |   |      |   | 34   |  
|Estimate of portion of rent under long-term operating leases representative of an interest factor |  |      | 62   |   |      |   | 52   |  
|Distributed income of investees accounted for under the equity method                             |  |      |     |   |      |   | 1    |  
|Amortization of capitalized interest                                                              |  |      | 1    |   |      |   | 2    |  
|Less: Undistributed equity in earnings of investments accounted for under the equity method       |  |      | 4    |   |      |   | 1    |  
|                                                                                                  |  |      |      |   |      |   |      |  
|Total earnings available for fixed charges                                                        |  | $    | 880  |   |      | $ | 699  |  
|                                                                                                  |  |      |      |   |      |   |      |  
|Fixed charges:                                                                                    |  |      |      |   |      |   |      |  
|Interest and fixed charges                                                                        |  | $    | 35   |   |      | $ | 37   |  
|Estimate of portion of rent under long-term operating leases representative of an interest factor |  |      | 62   |   |      |   | 52   |  
|                                                                                                  |  |      |      |   |      |   |      |  
|Total fixed charges                                                                               |  | $    | 97   |   |      | $ | 89   |  
|                                                                                                  |  |      |      |   |      |   |      |  
|Ratio of earnings to fixed charges                                                                |  |      | 9.07 | x |      |   | 7.85 | x
|                                                                                                  |  |      |      |   |      |   |      |  



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