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*	$	3,549		$	2,856		$	1,635		$	1,568		$	1,534
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	$	3,903		$	3,201		$	1,960		$	1,891		$	1,859
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		10.06	x		8.87	x		5.89	x		5.64	x		5.40	x

* As discussed in Note 2 of the Consolidated Financial Statements, the Company adopted FASB Staff Position (FSP) AUG AIR-1, Accounting for Planned Major Maintenance Activities, effective January 1, 2007. The impact of FSP AUG AIR-1 has been applied retrospectively, resulting in an increase in earnings and the ratio of earnings to fixed charges.