Current location - Training Enrollment Network - Mathematics courses - A math problem in grade two is unclear. Please ask the traffic police or authorities to answer. The width of the pedestrian zebra crossing is about 80 (). What unit should I fill in here?
A math problem in grade two is unclear. Please ask the traffic police or authorities to answer. The width of the pedestrian zebra crossing is about 80 (). What unit should I fill in here?
The width of pedestrian zebra crossing is about 80(CM).

The basic length of the zebra crossing is 3-5 meters, so you should cross the road outside the sidewalk. The width of each zebra crossing is 45 or 60 centimeters. The zebra crossing width can be widened 1 m according to the number of pedestrians. The more pedestrians, the wider the zebra crossing. On a section of road, the zebra crossing spacing is generally 150 to 500m, and the reasonable spacing is 350 to 400m.

Extended data

The historical development of zebra crossing;

The zebra crossing originated in ancient Rome. Near Ma Lukou, stones protruding from the road are placed horizontally for pedestrians to cross the road, which is called jumping stones. 65438+ In the early 1950s, a crosswalk line appeared on the streets of London, England, which was the first crosswalk line in the world.

Nowadays, there are not only black and white zebra crossings, but also color zebra crossings, 3D zebra crossings and music zebra crossings. I hope to remind the passing vehicles and pedestrians of the existence of zebra crossings more intuitively. The significance of zebra crossing lies in protecting the life safety of pedestrians crossing the road from the legal level.

Baidu encyclopedia-crosswalk