A track along which automated transit vehicles are guided(noun)
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Use "guideway" in a sentence
"MacCormack called the guideway job the biggest logistical challenge of his career."
"Most PRT designs power the individual vehicles directly from the guideway, which is lighter and more efficient than using batteries."
"The PRT vehicles can get their power from the guideway, meaning they don't need heavy batteries, or a heavy internal combustion engine, or a fuel tank."