CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating Revenues:
Transportation	$ 257.7	$ 245.8	$ 857.4	$ 792.8
Storage, parking and lending	22.5	21.1	68.8	67.8
Other	14.6	11.0	41.8	38.0
Total operating revenues	294.8	277.9	968.0	898.6
Operating Costs and Expenses:
Fuel and transportation	3.6	3.5	10.4	12.0
Operation and maintenance	58.9	46.9	152.6	144.2
Administrative and general	34.0	32.8	104.2	100.6
Depreciation and amortization	86.7	88.9	258.5	256.6
Gain on sale of assets and impairments	0.0	(0.2)	(0.8)	(0.7)
Taxes other than income taxes	24.2	25.2	80.2	78.7
Total operating costs and expenses	207.4	197.1	605.1	591.4
Operating income	87.4	80.8	362.9	307.2
Other Deductions (Income):
Interest expense	45.4	43.5	136.2	130.9
Interest income	0.0	0.0	(0.3)	(0.1)
Miscellaneous other (income) expense, net	(0.6)	(0.7)	0.3	(1.3)
Total other deductions	44.8	42.8	136.2	129.5
Income before income taxes	42.6	38.0	226.7	177.7
Income taxes	0.1	0.1	0.4	0.4
Net income	$ 42.5	$ 37.9	$ 226.3	$ 177.3