CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Revenues:
Transportation	$ 1,146.2	$ 1,083.6	$ 1,156.2
Storage, parking and lending	92.0	90.4	101.7
Other	57.0	49.7	64.7
Total operating revenues	1,295.2	1,223.7	1,322.6
Operating Costs and Expenses:
Fuel and transportation	13.8	19.0	54.8
Operation and maintenance	219.1	205.6	204.2
Administrative and general	141.1	136.3	129.0
Depreciation and amortization	346.1	344.7	322.8
(Gain) loss on sale of assets and impairments	(3.2)	(0.2)	49.0
Taxes other than income taxes	104.6	103.8	98.8
Total operating costs and expenses	821.5	809.2	858.6
Operating income	473.7	414.5	464.0
Other Deductions (Income):
Interest expense	178.7	175.7	171.0
Interest income	(0.3)	(0.1)	(0.4)
Miscellaneous other income, net	(0.9)	(2.0)	(4.6)
Total other deductions	177.5	173.6	166.0
Income before income taxes	296.2	240.9	298.0
Income taxes	0.5	0.6	1.0
Net income	$ 295.7	$ 240.3	$ 297.0