根据中华人民共和国政府和博茨瓦纳共和国政府签订的经济技术合作协定,中国政府派出由49人组成的铁路专家组援助博茨瓦纳更新自首都哈博罗内至南部边境段的120 km的铁路。中国方面提供长期无息贷款和50kg/m钢轨及道岔、施工所需设备和运输工具,由中国方面主持施工。工程自1985年7月30日至1987年7月底,提前两个月胜利峻工。 According to the agreement on economic and technological cooperation signed between the government of the People’s Republic of China and the government of the Republic of Botswana, the Chinese government dispatched a group of 49 railway experts to assist Botswana in updating the 120-km railway from Gaborone to the southern border of the capital. China provided long-term interest-free loans and 50kg / m rails and turnouts, construction equipment and transportation equipment, and the construction was carried out by China. Project from July 30, 1985 to July 1987 at the end of two months ahead of schedule.