为了将预算成本从1000亿美元削减至680亿美元，需要利用现有的某些低速轨道，很可能造成洛杉矶到旧金山的旅行时间翻番，达5－6小时。
To get the cost projections down to $68 billion from a $100 billion estimate, some existing low-speed rail will be used, likely doubling the time it takes to travel from Los Angeles to San Francisco to 5-6 hours.