The origin of the 'Adelantes' lies in the early days of rail privatisation. As part of its bid for the Great Western franchise in 1996, the winning company, Great Western Holdings, included a proposal to increase service frequency by splitting part of the existing HST fleet into 1+4 'mini' sets. Unexpectedly high passenger growth soon rendered that idea illogical, so an order was placed with trainbuilder Alstom for half a do/en five-car 125mph DMUs, designated Class 180. The trains were to be from Alstom's new 'Coradia 1000' range and early negotiations Included the provision of two spare coaches, making 32 vehicles in all. The realisation that two carriages worth a million pounds apiece would be spending most of their time standing idle soon saw that plan abandoned too ― and with passenger growth continuing to boom, the order was increased in 1998 to 70 vehicles, comprising 14 five-car sets. Discussions with sister train operating company North Western Trains had also resulted in an order being placed with Alstom for 16 three-car Class 180 sets for that TOC's ambitious plan to operate a range of 125mph North-West to London services.
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机译：“ Adelantes”的起源在于铁路私有化的早期。作为1996年竞购Great Western特许经营权的一部分，获胜的公司Great Western Holdings提出了通过将现有HST机队的一部分拆分为1 + 4个“迷你”组合来提高服务频率的提议。出乎意料的高客运量很快使这个想法变得不合逻辑，因此与火车制造商阿尔斯通下了订单，订购了一辆半/车五车时速125英里DMU，指定为Class180。这些火车将来自阿尔斯通的新“ Coradia 1000”系列和早期谈判。包括提供两名备用教练，总共制造32辆车。意识到每辆价值100万英镑的两辆马车将大部分时间闲置时，很快就发现该计划也被放弃了。随着乘客数量的持续增长，1998年订单增加到70辆，其中包括14辆五辆汽车。与姊妹列车运营公司North Western Trains的讨论还导致与阿尔斯通下订单，订购了16辆三厢180级车，这是TOC雄心勃勃的计划，规定了从西北到伦敦每小时125英里的服务。
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