Property and Equipment (including Concession Assets) (Tables)

9 Months Ended

Sep. 30, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment by Type

Property and equipment, including concession assets, and related accumulated depreciation and amortization are summarized below (in millions):

	September 30, 2017		December 31, 2016
Land	$	218.7	$	219.2
Concession land rights	141.2		141.2
Road property	7,438.5		7,186.0
Equipment	2,530.9		2,439.8
Technology and other	209.7		182.2
Construction in progress	388.4		293.4
Total property	10,927.4		10,461.8
Accumulated depreciation and amortization	2,591.8		2,392.1
Property and equipment (including concession assets), net	$	8,335.6	$	8,069.7