如何对公路养护、公路养护单位作一个准确的定位,是我国公路养管改革乃至我国公路交通可持续发展的重要保障。养护的公益性公益性,在经济学上也称公共物品性。其特征一是消费的非排他性,二是消费的非竞争性。但在现实生活中,还有另一类物品——准公共物品。准公共物品既有公共物品的特征,又有私人物品的特征,如公共交通、地铁等。就公 How to make an accurate positioning on highway maintenance and road maintenance units is an important guarantee for the reform of China's highway maintenance and even the sustainable development of China's highway traffic. Conservation of public welfare public welfare, also known as economics in the nature of public goods. One of the characteristics of non-exclusive consumption, the second is the non-competitive consumption. But in real life, there is another category of goods - quasi-public goods. Quasi-public goods both the characteristics of public goods, but also the characteristics of personal belongings, such as public transport, subway and so on. On the public