Delaware		41-1804964
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)

Class		Shares Outstanding at October 31, 2002
Common stock, $.01 par value		377,475,697 shares

		Three Months Ended September 30,						Nine Months Ended September 30,
		2002			2001			2002				2001
Revenues		$	2,308		$	2,343		$	6,678			$	6,907
Operating expenses:
Compensation and benefits			730			714			2,140				2,137
Purchased services			297			275			850				811
Depreciation and amortization			235			222			696				680
Equipment rents			182			185			537				562
Fuel			215			240			606				743
Materials and other			228			205			655				625
Total operating expenses			1,887			1,841			5,484				5,558
Operating income			421			502			1,194				1,349
Interest expense			107			117			321				352
Other (income) expense, net			7			20			(19	)			98
Income before income taxes and extraordinary charge			307			365			892				899
Income tax expense			115			140			334				339
Income before extraordinary charge		$	192		$	225		$	558			$	560
Extraordinary charge, net			—			—			—				(6	)
Net income		$	192		$	225		$	558			$	554
Earnings per share:
Basic earnings per share (before extraordinary charge)		$	0.51		$	0.58		$	1.47			$	1.44
Basic earnings per share (after extraordinary charge)		$	0.51		$	0.58		$	1.47			$	1.43
Diluted earnings per share (before extraordinary charge)		$	0.51		$	0.58		$	1.46			$	1.43
Diluted earnings per share (after extraordinary charge)		$	0.51		$	0.58		$	1.46			$	1.41
Average shares (in millions):
Basic			376.4			387.3			379.5				388.5
Dilutive effect of stock awards			3.1			2.9			2.9				3.5
Diluted			379.5			390.2			382.4				392.0
Dividends declared per share		$	0.12		$	0.12		$	0.36			$	0.36

ASSETS		September 30, 2002				December 31, 2001
Current assets:
Cash and cash equivalents		$	47			$	26
Accounts receivable, net			208				172
Materials and supplies			200				191
Current portion of deferred income taxes			333				306
Other current assets			108				28
Total current assets			896				723
Property and equipment, net			23,826				23,110
Other assets			954				888
Total assets		$	25,676			$	24,721
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable and other current liabilities		$	1,967			$	1,873
Long-term debt due within one year			143				288
Total current liabilities			2,110				2,161
Long-term debt and commercial paper			6,802				6,363
Deferred income taxes			7,060				6,731
Casualty and environmental liabilities			426				423
Employee merger and separation costs			178				216
Other liabilities			1,028				978
Total liabilities			17,604				16,872
Commitments and contingencies (see notes 2, 6, and 8)
Stockholders’ equity:
Common stock, $.01 par value, 600,000 shares authorized; 496,577 shares and 492,818 shares issued, respectively			5				5
Additional paid-in capital			5,664				5,584
Retained earnings			5,468				5,048
Treasury stock, at cost, 118,054 shares and 107,041 shares, respectively			(3,041	)			(2,745	)
Unearned compensation			(43	)			(34	)
Accumulated other comprehensive income (deficit)			19				(9	)
Total stockholders’ equity			8,072				7,849
Total liabilities and stockholders’ equity		$	25,676			$	24,721

		Nine Months Ended September 30,
		2002				2001
Operating Activities:
Net income		$	558			$	554
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			696				680
Deferred income taxes			286				206
Extraordinary charge			—				9
Employee merger and separation costs paid			(48	)			(38	)
Other, net			(32	)			75
Changes in current assets and liabilities:
Accounts receivable, net			(36	)			15
Materials and supplies			1				13
Other current assets			(46	)			25
Accounts payable and other current liabilities			100				27
Net cash provided by operating activities			1,479				1,566
Investing Activities:
Capital expenditures			(1,016	)			(1,061	)
Other, net			(127	)			(4	)
Net cash used for investing activities			(1,143	)			(1,065	)
Financing Activities:
Net increase (decrease) in commercial paper and bank borrowings			40				(320	)
Proceeds from issuance of long-term debt			300				400