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Various lighting envi onments of residential streets were simulated by computer g aphics. By means of these visualized images, subjective impressions of outdoo pedestrian lighting were investigated. As a res ilt, the following th ee points were clarified ; (1) Subjective impressions of night-time tesidential streets, could be classified into three groups. namely impression, impression and impression, including impression of secu ity ; (2) The combination of E (ave) and Ev (min) is important for ealizing a comfortable and functional lighting environment in residential area, because these two photometric values had relatively good co elations with the two factors of subjective imp essions ; and (3) Observing compute graphic images, the s ;bjects could easily assess imp essions. Furthermore, variovs parameters can be easily 8nd systematically changed o kept co stant by CG. Computer graphics can be, therefo e, one of the e?fective methods for appraisal of subjective impressions received ftom the lighting environment.

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