In April 2015,1 emerged from the main station in Arad, Romania, to catch a tram to my hotel. None were immediately visible and I pondered what type of car might arrive; Arad is one of the very few tramways with such a disparate variety of rolling stock that it is impossible to predict the composition of service on any route. Would it be a former Essen Stadtbahn-M car; one of the classic single-ended Dtiwag articulated cars acquired from several German tramways; a former Halle Tatra T4; or perhaps one of the new Astra low-floor cars? It was none of these. What appeared was a former Hagen Diiwag articulated car, one of three that has served Arad for almost 20 years, and which gave a good account of itself, belying its fifty-plus years of age. This set me thinking: besides Kobenhavn (Copenhagen), what other tramway that closed 40 years ago still has its rolling stock in full-time operation elsewhere?
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机译：2015年4月，1从罗马尼亚阿拉德（Arad）的主要车站出来，乘电车到我的旅馆。没有立即可见的东西，我在想什么类型的汽车会到来。阿拉德（Arad）是为数不多的机车车辆中极少数的有轨电车之一，无法预测任何路线上的服务组成。会是以前的Essen Stadtbahn-M汽车吗？从多条德国有轨电车购得的经典单端Dtiwag铰接式汽车之一；前Halle Tatra T4；还是新的Astra低地板车之一？这些都不是。出现的是一辆前哈根·迪瓦格（Hagen Diiwag）铰接式汽车，这是服务阿拉德（Arad）近20年的三辆汽车之一，它掩盖了自己五十多年的历史，很好地说明了自己。这让我开始思考：除了科本哈文（哥本哈根）以外，还有40年前关闭的其他有轨电车在其他地方仍拥有全职运营的机车车辆吗？
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