The Role of Environmental and Physical in Urban Security

According to the security of its non-police aspect, it is a new phenomenon and generally a lack of studies in this area is obvious. The roots of some crimes and a feeling of insecure is due to a lack of attention of urban planners and managers. The big issue in terms of security and the prevention of critical events and crime is whether the big cities, have provided such conditions? This study aimed to understand the role of different factors and the physical environment and its impact on security. The research method is a combination of descriptive - analytic. This article attempts to answer these questions:1- Does the combination of environmental and physical factors is effective in security of urban areas? 2. Is the composition and distribution of urban land use surrounding public spaces in the study area is effective to increase urban security? The study area is District 8 of Tehran. Information required is obtained by library and field observation. Analysis of the data is done via SPSS software and Minitabs and GIS. The results indicate that the local security as well as environmental and physical differences in them is different. Also 13 neighborhood of district 8 of Tehran in terms of security and the individual components of research were ranked. Security in those public spaces which have diverse and mix urban land-use, compared to other similar places that have lack of diversity and mix urban land use were different.