Street signs demand good typography,including both legibility and aesthetics. A couple of years ago, I noticed that about half of the street signs in Taipei County were vertical. Even the romanized names were typeset vertically in very small letters, rendering them hardly legible. An illegible sign is a useless sign, nothing more than a waste of taxpayers' money. Street signs in cities should follow these good examples.
Street signs are a reflection of the overall language policy of Taiwan.
So far, the only language policy institution in Taiwan is the National Language Promotion Committee under the Ministry of Education. The people and the media should encourage them to speak on these issues. Let's hope we'll have good street signs this century. This convoluted, parochial logic completely contradicts itself. This is like the UN trying to be more international by making its members speak Bantu.