Panshan Highway in Gai County, Yingkou, Liaoning Province is dangerous. Panshan Highway in Gaixian County, Yingkou, Liaoning Province is designed and constructed according to the third-class highway standard. There are many hidden dangers, such as sharp bend and steep slope, continuous downhill, poor sight distance, no widening of bend, short straight line connecting with sharp bend and so on. , below or does not meet the prescribed standards, resulting in serious birth defects and hidden dangers.