Exhibit 12.1



BNSF Railway Company and Subsidiaries Computation of Ratio of Earnings to Fixed Charges

In millions, except ratio amounts

(Unaudited)



|                                                                                                                  |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|----------------------------------------------------------------------------------------------------------------- |  | ----------------------- | ----- | - | ---- | - | ----- | ---- |  | - | ----- | - |  | ---- | ----- | - |  | - | ----- | -
|                                                                                                                  |  | Year ended December 31, |      
|                                                                                                                  |  | 2006                    |       |   | 2005 |   |       | 2004 |  |   | 2003  |   |  | 2002 |      
|Earnings:                                                                                                         |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Income before income taxes and cumulative effect of accounting change                                             |  | $                       | 3,545 |   |      | $ | 2,851 |      |  | $ | 1,612 |   |  | $    | 1,558 |   |  | $ | 1,531 |  
|Add:                                                                                                              |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Interest and other fixed charges, excluding capitalized interest                                                  |  |                         | 113   |   |      |   | 127   |      |  |   | 128   |   |  |      | 144   |   |  |   | 153   |  
|Reasonable approximation of portion of rent under long-term operating leases representative of an interest factor |  |                         | 261   |   |      |   | 221   |      |  |   | 195   |   |  |      | 182   |   |  |   | 178   |  
|Distributed income of investees accounted for under the equity method                                             |  |                         | 3     |   |      |   | 4     |      |  |   | 3     |   |  |      | 3     |   |  |   | 3     |  
|Amortization of capitalized interest                                                                              |  |                         | 4     |   |      |   | 8     |      |  |   | 8     |   |  |      | 8     |   |  |   | 8     |  
|Less:                                                                                                             |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Equity in earnings of investments accounted for under the equity method                                           |  |                         | 27    |   |      |   | 15    |      |  |   | 9     |   |  |      | 14    |   |  |   | 17    |  
|                                                                                                                  |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Total earnings available for fixed charges                                                                        |  | $                       | 3,899 |   |      | $ | 3,196 |      |  | $ | 1,937 |   |  | $    | 1,881 |   |  | $ | 1,856 |  
|                                                                                                                  |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Fixed charges:                                                                                                    |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Interest and fixed charges                                                                                        |  | $                       | 127   |   |      | $ | 140   |      |  | $ | 138   |   |  | $    | 153   |   |  | $ | 166   |  
|Reasonable approximation of portion of rent under long-term operating leases representative of an interest factor |  |                         | 261   |   |      |   | 221   |      |  |   | 195   |   |  |      | 182   |   |  |   | 178   |  
|                                                                                                                  |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Total fixed charges                                                                                               |  | $                       | 388   |   |      | $ | 361   |      |  | $ | 333   |   |  | $    | 335   |   |  | $ | 344   |  
|                                                                                                                  |  |                         |       |   |      |   |       |      |  |   |       |   |  |      |       |   |  |   |       |  
|Ratio of earnings to fixed charges                                                                                |  |                         | 10.05 | x |      |   | 8.85  | x    |  |   | 5.82  | x |  |      | 5.61  | x |  |   | 5.40  | x