Game development websites are a good place to look. Try these links: http://www.gamedev.net/reference/list.asp?categoryid=45#188 http://www.gamedev.net/refere

Game development websites are a good place to look. Try these links: http://www.gamedev.net/reference/list.asp?categoryid=45#188 http://www.gamedev.net/reference/list.asp?categoryid=45#188 http://www.gamasutra.com/search/index.php?search_text=terrain+roads&submit=Search http://www.gamasutra.com/search/index.php?search_text=terrai...