what is the road condition from chengdu to jiuzhaigou

There are 2 road routes to jiuzhaigou from chengdu, the usually one is the west route as chengdu-dujiangyan-wenchuan-maoxian-songpan-chuanzhusi-jiuzhaigou, another is Chengdu-Deyang-Mianyang-Jiangyou-Pingwu-Jiuzhaigou, so called east route. The former with a lot of sightseeing but the latter is much safer. Both of the two journey take about 10 hours.