History
The earliest example of an elevated railway was the London and Greenwich Railway which was built on a brick viaduct of 878 arches between 1836 and 1838. The first 2.5 miles (4.0 km) of the London and Blackwall Railway (1840) was also built on a viaduct. During the 1840s there were various other schemes for elevated railways in London which did not come to fruition.
From the late 1860s elevated railways became popular in US cities. The New York West Side and Yonkers Patent Railway operated with cable cars from 1868 to 1870, but thereafter was locomotive hauled. This was followed by the Manhattan Railway in 1875, the Boston Elevated Railway (1887-), and the South Side Elevated Railroad, Chicago (1892-). The Berlin Stadtbahn (1882) is also principally on elevated track.
The first electrically-operated elevated railway, was the Liverpool Overhead Railway, which operated through Liverpool docks from 1893 until 1956.
In London the Docklands Light Railway is an example of a modern elevated railway, opened in 1987 and since expanded. In this case the trains are driverless and automatic.
Read more about this topic: Elevated Railway
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“Tell me of the height of the mountains of the moon, or of the diameter of space, and I may believe you, but of the secret history of the Almighty, and I shall pronounce thee mad.”
—Henry David Thoreau (1817–1862)
“A country grows in history not only because of the heroism of its troops on the field of battle, it grows also when it turns to justice and to right for the conservation of its interests.”
—Aristide Briand (1862–1932)
“I am ashamed to see what a shallow village tale our so-called History is. How many times must we say Rome, and Paris, and Constantinople! What does Rome know of rat and lizard? What are Olympiads and Consulates to these neighboring systems of being? Nay, what food or experience or succor have they for the Esquimaux seal-hunter, or the Kanaka in his canoe, for the fisherman, the stevedore, the porter?”
—Ralph Waldo Emerson (1803–1882)