2013 Fiscal Year Final Research Report

Study on integrated night lighting for crime prevention, disaster prevention and traffic safety in residential areas

Research Project

Project/Area Number	24656300
Research Category	Grant-in-Aid for Challenging Exploratory Research
Allocation Type	Single-year Grants
Research Field	Civil engineering project/Traffic engineering
Research Institution	Ibaraki University
Principal Investigator	KIN TOSHIAKI 茨城大学, 工学部, 教授 (40205050)
Research Collaborator	OGITSU Osamu MATSUMOTO Ryutaro
Project Period (FY)	2012-04-01 – 2014-03-31
Keywords	街路照明 / 光環境 / 照度 / 照明基準 / 視認性 / 防犯 / 交通安全 / 住宅地
Research Abstract	The purpose of this study is to clarify the relationship of visibility and illuminance in residential areas. For this purpose, firstly the survey of illuminance and installation of street lighting situation is carried out, secondly the experiment on the visibility and illuminance was carried out. As a result, the following findings were obtained. (1)Even in a good living environment,the illuminance is below the lighting standard. (2)There are places with low illuminance and places with high illuminance, so the uniformity is not achieved in all areas.(3) Even more than the lighting standard, there aer places where visibility is not ensured. Based on these findings, we think that it is necessary to review the evaluation methods of street lighting and lighting standard including a review of the measurement technique.