Going through Taroko Gorge yesterday, there was a lot of mention about Japanese development and road engineering in Taiwan. That made me think – why does Taiwan drive on the right? If Japan developed Taiwan, one might assume that people in Taiwan would drive on the left.
I asked some Taiwanese people. I got answers ranging from "I don’t think we had cars then!" to "I don’t know."
As it turns out, China (and hence Taiwan) used to drive on the left. The change to right hand drive occurred in 1946 as a political move against Japan after World War II and because American vehicles had already been popular during World War II as part of the resistance against the Japanese.
Another page talking about traffic other than cars.