Roads
Roads sometimes use a spiral to gain height in a confined space, cf. pigtail bridge.
Read more about this topic: Spiral (railway)
Famous quotes containing the word roads:
“They’re busy making bigger roads,
and better roads and more,
so that people can discover
even faster than before
that everything is everywhere alike.”
—Piet Hein (b. 1905)
“Two roads diverged in a wood, and I—
I took the one less traveled by,
And that has made all the difference.”
—Robert Frost (1874–1963)
“Pioneers lay the roads for those who follow to walk on.”
—Chinese proverb.