This research discussed about improving a streetscape together with the street and the surrounding sites at night. Based on investigation of the existing street and interviews to residents, three goals, “pedestrians should be principal in the street”, “coordination of the whole streetscape” and “expression of the characteristics of the area”, were set up as a role of lighting environment at night. The lighting environment according to those purposes was fixed over 29 days. During the experimental period, a large number of low-intensity lights distributed in the low position of 4 m or less. The questionnaire survey to residents or pedestrians was carried out. It was confirmed that the goals set up in the beginning had been achieved.