Exhibit 12.1

BNSF RAILWAY COMPANY and SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In millions, except ratio amounts)

(Unaudited)



|                                                                                                                  |  |      |       |      |   |      
|----------------------------------------------------------------------------------------------------------------- |  | ---- | ----- | ---- | - | -----
|Nine Months Ended September 30,                                                                                   |  | 2006 |       | 2005
|Earnings:                                                                                                         |  |      |       |      |   |      
|Income before income taxes                                                                                        |  | $    | 2,585 |      | $ | 2,057
|Add:                                                                                                              |  |      |       |      |   |      
|Interest and other fixed charges, excluding capitalized interest                                                  |  |      | 91    |      |   | 96   
|Reasonable approximation of portion of rent under long-term operating leases representative of an interest factor |  |      | 193   |      |   | 153  
|Distributed income of investees accounted for under the equity method                                             |  |      | 3     |      |   | 3    
|Amortization of capitalized interest                                                                              |  |      | 3     |      |   | 7    
|Less: Undistributed equity in earnings of investments accounted for under the equity method                       |  |      | 16    |      |   | 9    
|                                                                                                                  |  |      |       |      |   |      
|Total earnings available for fixed charges                                                                        |  | $    | 2,859 |      | $ | 2,307
|                                                                                                                  |  |      |       |      |   |      
|Fixed charges:                                                                                                    |  |      |       |      |   |      
|Interest and fixed charges                                                                                        |  | $    | 102   |      | $ | 105  
|Reasonable approximation of portion of rent under long-term operating leases representative of an interest factor |  |      | 193   |      |   | 153  
|                                                                                                                  |  |      |       |      |   |      
|Total fixed charges                                                                                               |  | $    | 295   |      | $ | 258  
|                                                                                                                  |  |      |       |      |   |      
|Ratio of earnings to fixed charges                                                                                |  |      | 9.69x |      |   | 8.94x
|                                                                                                                  |  |      |       |      |   |