First, you can call various service numbers in expressway and check them online;
Second, when entering the expressway toll station, you can consult the toll collector;
Third, on the way, you can listen to the timely traffic broadcast of the local traffic station and our high-speed broadcast FM99.6 to understand; Fourth, you can also log in to Weibo of the Provincial Traffic Police Corps or the High-speed Traffic Police Detachment to keep abreast of traffic information.
Fifth, use Baidu map to navigate, and you will know in advance whether the road ahead is congested or abnormal.