Height
The height of overhead wiring can create hazards at level crossings, where it may be struck by road vehicles. Warning signs are placed on electrified level crossing approaches, advising motorists of the maximum safe height permitted over the particular crossing.
The wiring in most countries is too low to allow double stack container trains. The Channel Tunnel has an extended height overhead line to accommodate double-height car and truck transporters. India is proposing a network of freight-only lines that would almost certainly be electrified with extra height wiring and pantographs.
Read more about this topic: Overhead Line, Overhead Catenary
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—Mary Church Terrell (1863–1954)
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—François, Duc De La Rochefoucauld (1613–1680)
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—Henry David Thoreau (1817–1862)