Hi simenhs,
I played your game and I like it. Nice concept and nice graphics. I feel the roads are getting comparably expensive very fast. I also didn't like that I couldn't remove forest to build something else (I can understand I can't remove mountains). I guess it is also a question of experience playing this game to make the most money.
Since I place buildings by drag&drop in my newer games it felt a bit complicated to me to first click and then click again to place the building. You can still show what the building wants with drag and drop when it isn't dropped in a valid location yet.