Research on landscaplization of municipal road lighting facilities based on road traffic safety

doi:10.16265/j.cnki.issn1003-3033.2022.10.1526

Abstract

Abstract:

In order to improve road lighting safety through an artistry lighting design strategy with limited cost， with lighting design of Chancheng Avenue in Xishui county as an example， influence of lamppost color on drivers' fatigue was studied based on road space enclosed scene and road length threshold by using drivers' visual attention theory. Secondly， effects of LED light-boxes on visual guidance in foggy weather， pedestrian security， and location identification were explored， and influence of road lighting， light source color temperature， and color rendering index on foggy nighttime driving safety was studied. Then， four different working modes for full bright （from dusk till midnight）， mid-night， foggy daytime， and foggy nighttime were proposed based on energy-saving requirement. Finally， reliability and effectiveness of all-weather， all-time design strategy were verified through data measurement and user evaluation after project completion. The results indicate high satisfaction from drivers and pedestrians on the uniqueness of the design， safety of the nighttime road lighting environment， and visual guidance of lighting facilities. Colored lampposts relieve drivers' visual fatigue and remind them to reduce speed. Also， the light-boxes effectively provide visual reference for foggy nighttime driving.

Key words: traffic safety, road lighting, landscaplization, lamppost color, LED light-boxes, foggy weather

YAN Yonghong, YE Zhenguang, YU Kaiyuan, LI Na, ZHANG Bohan. Research on landscaplization of municipal road lighting facilities based on road traffic safety[J]. China Safety Science Journal, 2022, 32(10): 154-161.

Figures/Tables 9

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道路类型	评价指标	标准要求	全亮模式测量值	深夜模式测量值
车行道	路面平均亮度维持值/（cd·m^-2）	1.5/2	2.15	1.59
	路面亮度总均匀度最小值	0.4	0.72	0.65
	路面亮度纵向均匀度最小值	0.7	0.84	0.79
	路面平均照度维持值/lx	20/30	29.53	21.36
	路面均匀度最小值	0.4	0.76	0.61
	眩光限制阈值增量最大初始值/%	10	9.43	8.24
	环境比	0.5	0.67	0.53
	功率密度值/ （W·m^-2）	≤1	0.66	0.47
交会区	路面平均照度维持值/lx	30/50	51	30.23
交会区	照度均匀度	0.4	0.83	0.76
人行道	路面平均照度维持值/lx	10	17.54	11.21
	路面最小照度维持值/lx	2	6.26	2.59
	最小垂直照度维持值/lx	3	6.94	3.98
	最小半柱面照度维持值/lx	2	5.13	2.51