2018年06月29日

Varied clothing and reflective elements

It is proven that if a person wearing a dark one, such as blue clothes, drives, the driver is able to record him at a distance of 18 meters. This is better for example with the yellow color of the garment when the pedestrian is recorded at a distance of 37 meters. In white then the driver sees it at 55 meters. But even this distance is not enough to avoid pedestrians safely at night. Pedestrians should always have some element in their clothes to make them more visible. For example, we have fluorescent materials - they increase visibility in daylight and at dusk, but in the dark, they lose their function. The most commonly used colors are bright yellow, green and orange. The use of reflective materials is preferable - they reflect light in a narrow cone back to the source, up to a distance of about 200 meters. They greatly increase visibility in the dark and in low visibility. The reflective material can be seen at night three times the distance of white cloth and more than 10x longer than blue cloth.

Reflective materials are best placed close to the knees, at the ends of the sleeves and at the waist level. Importantly, if we only have one reflective tape, have it on the side of the road, and not under the clothing, but visible from all sides. We can then buy clothes that are already equipped with reflective materials as well as school bags.

It is important to keep in mind that at a speed of 75km / h, the driver needs at least 1.5 seconds to be aware of the danger and react accordingly - at that time. It will travel to 31 meters. And before he starts his own evasive maneuver, he will leave the pedestrian track more than 150 meters away. For this simple operation, which takes place on the roads unattended daily, the driver needs about 200 meters. It is only at such a distance that pedestrians can see only if they are wearing reflective vests.



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