 The speed limit between the Chongzuo and Ningming exits, just before Pingxiang, is , and between Ningming and Youyiguan is .The section between Ningming County and Youyiguan parallels much of China National Highway 322 and the Hunan–Guangxi Railway.Entering Pingxiang, motorists must stop at a toll booth, marking the end of the tolled stretch of expressway.