Analysis of Urban Morphology and Accessibility Character to Provide Evacuation Route in Historic Area

In historic area, investigation on limitation of streets to provide further countermeasure in time of evacuation is highly concern. This study objective is to clarify labyrinthine and narrowness of urban network. Study area is Chiang Mai's historic area locate in northern of Thailand. Subjects of this study are egress point and accessibility of urban network, to act as evacuation network investigated by space syntax analysis combine with GIS as primary tool. Result show incompetent of narrow streets comprise with egress point that resemble integration value of streets and led to summarized of its urban morphology for evacuation plan.