根据议会预算办公室的一份新报告，拟建的多伦多至魁北克市高速铁路项目的建设成本可能在750亿至1130亿加元之间——高于官方最初的估算。
Building the proposed high‑speed rail project between Toronto and Quebec City could cost between $75 billion and $113 billion — higher than the official initial estimates, according to a new report from the Parliamentary Budget Office.
应参议院财政委员会的要求，联邦财政监督机构于周四发布了一份报告，试图为政府备受争议的Alto高速铁路走廊标上价格标签，该项目承诺将多伦多和蒙特利尔的通勤时间缩短至约三小时。
Following a request from the Senate finance committee, the federal budget watchdog released a report on Thursday trying to put a dollar figure on the government's controversial Alto high-speed rail corridor, which promises to connect Toronto and Montreal in about three hours.
负责这一重大基础设施项目的国营企业Alto也在考虑在安大略省金斯顿设站。
Alto, the Crown corporation responsible for the major infrastructure project, is also looking at a potential stop in Kingston, Ont.
议会预算办公室表示，基于对国际建设经验的分析和对拟建加拿大路线假设特征的推算，不含金斯顿站的基准线路建设成本可能在约750亿至1130亿加元之间。
The Parliamentary Budget Office said based on analysis of international construction experience and assumed characteristics of the proposed Canadian route, the baseline route, excluding Kingston, could cost between approximately $75 billion and $113 billion to construct.
报告称：“这一区间反映了大型铁路基础设施项目固有的巨大不确定性。”音频：Alto高速铁路计划会搁浅吗？
"This range reflects the considerable uncertainty inherent in large-scale rail infrastructure projects," said the report. AudioCould the Alto high speed rail plan be derailed?
Alto首席执行官称金斯顿很可能获得高速铁路站 这比官方估算的600亿至900亿加元高出数十亿。
Kingston probably getting high-speed rail stop, says Alto CEO That's billions more than the official estimates of between $60 billion and $90 billion.
成本的主要驱动因素是项目中使用的隧道和高架结构。财政监督机构表示，国际经验表明，每增加一公里隧道将使该项目总成本增加1.69亿加元，而每增加一公里高架结构将增加1.53亿加元。
The main drivers of the cost are the tunnels and elevated structures used in the project. The budget watchdog said international evidence indicates that each additional kilometre of tunnel will add $169 million to the total cost of this project, while an additional kilometre of elevated structures will add $153 million.
报告指出，在安大略省金斯顿增设一站预计会增加不确定性，“这是由于建设地理条件较易与区域人口密度较高、生态敏感性更强这两种相互抵消的效应所致。”
Adding a stop in Kingston, Ont., is expected to increase uncertainty, the report notes, "due to the counter-balancing effects of easier geography for construction, but higher density of regional populations and greater ecological sensitivity."
自由党交通部长史蒂夫·麦金农为该项目辩护，称其是“建设强劲经济、为加拿大人创造新机遇”的途径。保守党则称该提案是一项昂贵的“浪费钱财的项目”。该项目还遭到了拟建路线沿线安大略省东部居民的强烈反对。
Liberal Transport Minister Steve MacKinnon has defended the project as a way to "build a strong economy and create new opportunities for Canadians." Conservatives call the proposal a costly "boondoggle." The project has also received vocal opposition from Eastern Ontario residents living along the proposed route.