"From 1890 to 1920 we were installing water mains at a rate of about 75 miles a year. And over the last 10 years we were only replacing them at about 30 miles a year."
The other side is relate to transportation infrastructure; namely rail. From The Wall Street Journal on March 27, 2013 by Betsy Morris, Boom Times on the Tracks: Rail Capacity, Spending Soar -
"Welcome to the revival of the Railroad Age. North America's major freight railroads are in the midst of a building boom unlike anything since the Industry's Gilded Age heyday in the 19th century - this year pouring $14 billion into rail yards, refueling stations, additional track. With enhanced speed and efficiency, rail is first becoming a dominant player in the nation's commercial transport system, and a vital cog in the economic recovery."
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