The parliamentary process for a hybrid bill incorporates aspects of both public and private bill procedures. The key differences from the process followed by normal government (i.e. public) legislation are a consultation on the environmental statement and select committee (SC) stages in both the House of Commons and the House of Lords. For the bulk of its time in parliament, which typically spans a number of parliamentary sessions and can even span a general election, a hybrid bill will be in SC in one house or the other. The bill for phase 1 of HS2 completed its passage through parliament faster than the bill for Crossrail had, despite being significantly more contentious both nationally and locally, and receiving nearly six times as many objections (known as petitions). By any objective measure, the promotion of the bill was a success. This paper will explain the process for passing a hybrid bill in generic terms, as well as expanding to refer to the specific processes undertaken by High Speed Two (HS2) Limited to manage the SC, stakeholders, costs and associated governance in its delivery of the High Speed Two (London–West Midlands) Act.

中文翻译：

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英国的HS2铁路–批准皇家通过的议会程序

混合法案的议会程序结合了公共和私人法案程序的各个方面。与正常政府（即公共）立法遵循的程序的主要区别在于，在下议院和上议院中就环境声明和专责委员会（SC）阶段进行了磋商。在议会的大部分时间中，通常跨多个议会会议，甚至可以进行大选，混合法案将在南卡罗来纳州的一个或另一个议院中进行。HS2第1阶段的议案在国会中获得通过的速度比Crossrail的议案要快，尽管该议案在全国和地方的争议更大，并且收到的异议（请愿书）几乎是前者的六倍。从任何客观角度看，该法案的推广都是成功的。