夜间行车巧断路况□长明夜间行车，可根据灯光照射变化及道路颜色来判断路面状况：当灯光照射距离由远变近时，表明机车驶近或驶入上坡道；当灯光照射距离由近变远时，表明机车已进入下坡道或由缓坡进入陡坡；当灯光离开路面时，表明前方有大坑或急转弯；当灯光由路中移向... Driving at night clever traffic □ Cheung Ming night traffic, according to changes in lighting and road color to determine the road conditions: when the light irradiation distance from far to close, indicating that the locomotive approaching or entering the ramp; when the light irradiation from the distance When the distance is far away, it indicates that the locomotive has entered the downhill or enters the steep slope from the gentle slope; when the light leaves the road, it indicates that there is a big pit or sharp turn in front; when the light moves from the road to ...