might want to be careful about the font you are using on the signage. If this is Tokyo then they use a sans-serif + Gothic for all the signs. The text you have there looks like ancient chinese. (Mincho style). The closest fonts I can find are Hiragino or Kozuka. If you're on a mac you're in luck as these ship with the OS.…
ged: the problem with the bus is (apart from the fact that the textures aren't there yet) these normals bumps and scratches are waayyy to soft to look like metal. .. more like soft rubber or thin plastic (-> balloon) But first - lets see how it looks with specular and something that makes the windows look like windows…