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:
“... deeper
and deeper into Imagination’s
holy forest, as travelers
followed the Zohar’s dusty
shimmering roads ...”
—Denise Levertov (b. 1923)
“Pioneers lay the roads for those who follow to walk on.”
—Chinese proverb.
“Two roads diverged in a yellow wood,
And sorry I could not travel both
And be one traveler, long I stood
And looked down one as far as I could”
—Robert Frost (1874–1963)