Guangdong provincial laws stipulate that road tolls can be collected only to pay off construction loans, but a provincial government audit showed that the Luoxi Bridge (spanning a tributary of the Pearl River near Guangzhou) cost $18 million but also that since 1988, it has raked in $111 million in tolls. So a Chinese commuter is suing. But as The Economist points out, through the use of road tolls and fuel taxes,

China plans to foster the use of roads for freight and commercial travel, he says, while discouraging car use for leisure travel and commuting.