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**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,** |    |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------|---------|
|                                                                                                                                                                                                                                                                                                                                              |   | **2007**                                                                          |    |   | **2006** |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   | **(As                        Adjusted)a** |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |
| Earnings:                                                                                                                                                                                                                                                                                                                                         |   |                                                                              |    |   |   |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |
| Income                        before income taxes                                                                                                                                                                                                                                                                                                 |   | $                                                                                 | 723     |   |   | $ | 790 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Add:                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Interest                        and other fixed charges, excluding capitalized interest                                                                                                                                                                                                                                                           |   |                                                                              | 21      |   |   |   | 32 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Reasonable                        approximation of portion of rent under long-term operating                        leases                                                                                                                                                                                                                        |   |                                                                              |    |   |   |   |   |   |
| representative                        of an interest factor                                                                                                                                                                                                                                                                                       |   |                                                                              | 69      |   |   |   | 62 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Distributed                        income of investees accounted for under the equity method                                                                                                                                                                                                                                                      |   |                                                                              | 1       |   |   |   | – |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Amortization                        of capitalized interest                                                                                                                                                                                                                                                                                       |   |                                                                              | – |   |   |   | 1 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Less:  Equity                        in earnings of investments accounted for                                                                                                                                                                                                                                                           |   |                                                                              |    |   |   |   |   |   |
| under                        the equity method                                                                                                                                                                                                                                                                                                    |   |                                                                              | 3       |   |   |   | 4 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Total                        earnings available for fixed charges                                                                                                                                                                                                                                                                                 |   | $                                                                                 | 811     |   |   | $ | 881 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Fixed                        charges:                                                                                                                                                                                                                                                                                                             |   |                                                                              |    |   |   |   |   |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Interest                        and fixed charges                                                                                                                                                                                                                                                                                                 |   | $                                                                                 | 23      |   |   | $ | 35 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Reasonable                        approximation of portion of rent under long-term operating                        leases                                                                                                                                                                                                                        |   |                                                                              |    |   |   |   |   |   |
| representative                        of an interest factor                                                                                                                                                                                                                                                                                       |   |                                                                              | 69      |   |   |   | 62 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Total                        fixed charges                                                                                                                                                                                                                                                                                                        |   | $                                                                                 | 92      |   |   | $ | 97 |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| Ratio                        of earnings to fixed charges                                                                                                                                                                                                                                                                                         |   |                                                                              | 8.82x   |   |   |   | 9.08x |   |
|                                                                                                                                                                                                                                                                                                                                              |   |                                                                              |    |   |   |   |   |   |
| aPrior                        year numbers have been adjusted for the retrospective adoption                        of FSP AUG                        AIR-1, *Accounting for Planned Major Maintenance Activities*. See                        Note 1 of the Consolidated Financial Statements for additional                        information. |   |

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