Luban Avenue in renhuai city does not belong to the expressway. According to our inquiry, Luban Avenue in renhuai city is not an expressway, but an urban expressway. Luban Avenue, with a total length of about 13.5 km, is a main road in renhuai city, Guizhou Province, connecting the east and west sides of the urban area, and is one of the important trunk lines of urban traffic. Luban Avenue has better road conditions and faster traffic speed, but the speed limit is lower than that of urban expressway. Vehicles need to obey traffic rules and pay attention to safety.