求翻译：由于城市路网布局不合理、道路利用率较低等原因， 拥堵问题一直困扰着昆明的居民。近些年来，随着经济的发展、人口的剧增，昆明城市交通拥堵状况也愈演愈烈。解决交通问题迫不及待。“四环十七射”是立足于昆明主城620平方公里规划区域的交通布局升级，是解决昆明拥堵症结的重要规划。目前该格局日见成型，已建成通车的二环、三环快速系统作为“四环十七射”的重要组成部分，已在一定程度上提高了通行效率。目前，昆明轨道交通正在全速建设中，第一轮建设六条线路总长近190千米，现已开工四条线路，也即将显著提高昆明未来公共交通的分担率。同时，远郊新机场的建设也将大大缓解昆明主城的交通压力。是什么意思？

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In the urban road network layout is not reasonable, road usage is low, congestion problems that have plagued residents of Kunming. In recent years, with the development of the economy, the rapid increase in the number of KunMing city traffic congestion situation has become more and more violent. Sol

Because city road network layout unreasonable, path use factor low status reason, supports stops up the question to puzzle Kunming's inhabitants continuously.Recent year, along with the economical development, the population sharp increase, the Kunming municipal transportation supports stops up the

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