成都地铁9号线一期工程全长约23.9km,均为地下线路。共设置车站11座,均为地下车站,其中有换乘站9座。预计 2019 年 12 月完工。9 号线是继成都地铁7号线工程后的又一条大环形线路,是城市快速轨道交通层次中的市域快线,具有线路长、换乘节点多、站间距大、速度目标值高的特点,其主要承担了外围组团间的快速连接,并通过与骨干放射线的换乘,加强中心城区与外围组团的联系,该线的建设将进一步提升中心城的线网密度,并进一步提升公共交通服务水平,改善出行结构。
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