After Kangzhuang in Yanqing County , it becomes the Jingzhang Expressway .
Leaving Beijing , the Jingda Expressway becomes the Badaling Expressway .
After Kangzhuang in Yanqing County , Jingda Expressway becomes the Jingzhang Expressway .
Leaving Beijing , the Jingda Expressway becomes the Badaling Expressway .