请将下面这段话翻译成英文：

京张铁路

京张铁路，是中国第一条铁路，起点在北京丰台区终点至河北张家口，全长约200千米，是清政府委派詹天佑于1909年修建而成。这是中国首条不使用外国资金及人员，由中国人自行设计并营运的铁路。

参考译文

Jingzhang Railway

Jingzhang Railway (Beijing-Zhangjiakou Railway) was China’s first railway, and connects Fengtai District of Beijing to Zhangjiakou of Hebei Province. This 200km railway was constructed in 1909 and chief engineer Zhan Tianyou oversaw the entire project. This was the first railway designed and constructed by China without foreign assistance.

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