EXHIBIT 12.1

Trinity Industries, Inc. and Subsidiaries

Computation of Ratio of Earnings To Fixed Charges

																Nine Months
	For the Three Months															Ended
	Ended March 31,				For the Year Ended December 31,											December 31,
	2006		2005		2005		2004			2003			2002			2001
	(in millions)
Earnings:
Earnings (loss) before provision for income taxes	$	61.3	$	9.6	$	143.6	$	(15.1	)	$	(14.3	)	$	(24.4	)	$	(40.5	)
Add: Total fixed charges		18.1		16.0		65.5		60.4			45.7			46.2			26.8
Total earnings before provision for income taxes	$	79.4	$	25.6	$	209.1	$	45.3		$	31.4		$	21.8		$	(13.7	)
Fixed Charges:
Interest expense	$	12.5	$	10.4	$	42.2	$	42.8		$	34.9		$	36.3		$	21.7
Portion of rental expense representative of interest		5.6		5.6		23.3		17.6			10.8			9.9			5.1
		18.1		16.0		65.5		60.4			45.7			46.2			26.8
Capitalized interest		0.3		—		0.7		—			—			—			—
Total Fixed Charges	$	18.4	$	16.0	$	66.2	$	60.4		$	45.7		$	46.2		$	26.8
Ratio of Earnings to Fixed Charges		4.32		1.60		3.16		0.75			0.69			0.47			(0.51	)

Footnote:
(a)	Earnings were inadequate to cover fixed charges for the year ended December 31, 2004, 2003 and 2002, and the nine months ended December 31, 2001. The deficiencies for those periods were $15.1 million, $14.3 million $24.4 million, and $40.5 million, respectively.