美国高铁进展缓慢,既面临政治、资金、技术、客流和民众等问题挑战,也与政府财政预算、运力运能审核、环境规划、法律法规和决策信息等政策因素有关。本文对美国高铁建设现状与前景作简要述评。 The slow development of high-speed rail in the United States not only faces the challenges such as politics, capital, technology, passenger flow and public issues, but also with the government’s fiscal budget, capacity and capacity review, environmental planning, laws and regulations and decision-making information. This article briefly reviews the status quo and prospects of the U.S. high speed railway construction.