Upgrading of Entrance Identity of Tehran Metro Stationswith Cultural Semiology

Obtain the desired identity and Escape from identity crisis, is Concerned with the history of humanity and human culture. Architecture and Urbanism, meet mission to cherish the cultural values in the nature of them, and accordingly an element is count identifying. The signs because of the reiterate in the daily life, reinforce an especial feeling of meaning. Concerned to the everyday increasing of the subway usage, finding a logical relationship between anatomy of a Train Station and components of its identity, has become a necessary subject. The goal of this study is make the subway regional as an import model according to the cultural signs. The subway entrances are most important places which have close relationship with the existence anatomy in the city and people. We try in the tradition and new sign for better perception of role of Semiology in identity of metro stations. In this study we try in an analysis – commentary semiology way, first approaches designed station entrance according to how to deal with symptoms are classifying. Then the agreement of each approach concerned to the environmental context and according to the three different exposure; create signs, have a sign and evasive of sign getaway be examined. Means of style " create signs " is a product sign base on context toward idealistic architecture, " have a sign ", preservation of sign and not an intelligence perception, and " evasive of sign ", is an unconsidered of cultural semiology and undesirable style of affront whit signs in design. In this regard, defined by four layers of living, Social, intellectual and spiritual context, we want to know the formation of every subway stations. In this research "spiritual context" involved mosque and spiritual center, "intellectual context" involved university, art center and museum, "social context" involved bazaar, park and plaza "living context" involved housing complex and neighborhood. The findings shows, the use of signs which reflects the culture and beliefs of citizens is a possible way which is low cost and profitable. In the reviews of every field there is the possibility of existence of every four dimensions of each text including living, social, intellectual, and spiritual context there is a sense. But what it is effective in showing the sign is the knowing of each context. With such an approach we can say, the approach of sign making is the best way of facing with sign. But we should pay attention that how much we move from living context the signs are going to be more readable. In this approach the size of using each sign is different. At every four survival context, the effective ways in identifying was not exist. (1); Understanding the context of the text, representations, or avoid symptoms, (2); understanding the text layer, and to identify the dominant source of And (3); to select the desired mode based on a textual indication of exposure. Reread the text, we can say that, exited for each entrance station for a good representation of the Iranian - Islamic.