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成渝第四条通道！成资渝高速沱江特大桥合龙，预计明年建成通车
成资渝高速公路起于简阳市江源镇，顺接成都天府国际机场高速，经资阳、乐至、安岳，止于川渝界龙台镇，再对接重庆规划的合川至潼南高速公路，计划于2020年建成通车。起点至成安渝段（约68公里）为6车道，设计速度100公里/小时；成安渝至终点段（约42公里）为4车道，设计速度100公里/
西南局｜云贵川渝95/146
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