Road signalisation equipment. Horizontal signalisation. Road markings. Daylight visibility of road markings against the pavement that support them. Part 2: Determination of daylight contrast (Cd) by means of luminances of road markings and the pavement.
道路信号设备 水平信号 道路标记 支撑道路标线的路面上道路标线的日光能见度 第2部分:通过道路标线和路面的亮度测定日光对比度(Cd)