● Obvious typos and punctuation errors fixed.
● Inconsistencies in hyphenation kept as in the original.
● Italics are represented by underscores surrounding the _italic text_.
● Small capitals have been converted to ALL CAPS.
● Superscripts are noted by a caret and curly brackets, e.g. 59^{TH}.
● A decorative GE logo is represented by [GE logo]
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[Illustration:
METROPOLITAN SUBWAY
and ELEVATED SYSTEMS