The installment of pedestrian refuge island can effectively change the pedestrian walking condition,and play an important role on enhancing the safety during people crossing the road.

Analyzing the psychology characters of city pedestrian unsafe behaviors,and finding the safety problems of city street-cross facilities,and giving some analysis in the view of psychology,some measures of city street-cross facilities optimization based on traffic psychology were put forward.

At first,the limitations of setting pedestrian refuge for crossing street twice was explained,what was drew that the space-time resource could be sufficiently used on reforming Crossing Pedestrian Signal.

Based on the survey,it can be concluded from this study that it is absolutely necessary to install pedestrian refuge island at the median of road-ways to provide pedestrians with safe waiting ar.

ased on the analysis results about the regional geology,remote sensing interpretation,geophysical prospectiong,microseismic observation,earthquake data and silica heat flow,it is concluded that Xiamen Island is a stable block(safety island).