Hu Jung-hua, who has toured mainland China by bike, says that in China there is a slogan-- "Each to their own lane." This is, he says, concise and to the point. Unfortunately, it seems that adopting this system is almost impossible in Taiwan.
曾到大陸騎遊的胡榮華說，在大陸有一句交通標語「各行其道」，說得簡潔有力又切中要點，可惜在台灣卻幾乎不可能實現。