Wenchuan witnessed the big quake and recovered pretty quick This highway will cut the time travelling from wenchuan to Chengdu from 3 hours to 1.5 hours. the highway is a standard four lane, width of the road 24.5m Due to the impossible terrain, the total distance of the highway is 48.2KM but it has 39 bridges with a total length of 11.3 KM, and 9 tunnels with a total length of 25.5KM, the bridge and tennel covers 36.8KM of the 48.2 KM, counts around 76.3% of the highway. the red mesh you see in the picture is to protect passing vehicles from falling stones of the near by cliff.