Question: Who built the first railroad in the united states?
Disambiguated questions and answers: question: Who built the first funicular railway in the united states?
Who built the first test railroad track in the united states?
Who built the first constructed railroad also meant to be permanent in the united states?
answer: Charles Bullfinch
Thomas Leiper
Thomas Leiper
Natural Questions answer: 1795 (from the Wikipedia article "Timeline of United States railway history")