In February, at an intersection in Suzuka City, Mie Prefecture, the iron pillar of the traffic light collapsed from the root, and when the Scientific Investigation Research Institute of the Mie Prefectural Police Headquarters examined the ground at the base of the pillar, it was the same. It turned out that about 40 times more urea was detected than another traffic light at the intersection.

There is a dog walking course near the fallen traffic light, and police have summarized the findings that the dog's urine is likely to have caused the pillars to corrode.

In February, the iron pillar of the traffic light at the intersection of Sakurajima-cho, Suzuka City suddenly collapsed from the root.



No one was injured, but the pillar had a useful life of about 50 years, but the number of years since its installation was 23 years, so the Mie Prefectural Police Headquarters' Scientific Investigation Research Institute and others investigated the cause in detail.



As a result, 42 times more urea was detected from the ground at the base of the pillar of the fallen traffic light than another traffic light at the same intersection.



In addition, nearly eight times as much urea was detected from the pillars of the traffic lights.



For this reason, when police officers made fixed-point observations near the site, the area around the fallen traffic light was a walking course for dogs, and after that, the dog repeatedly urinates on the newly installed traffic light at the same location. It means that it was confirmed that it was.



Since there was no problem with the material of the pillar and the installation method, the police summarized the investigation result that it is highly likely that the corrosion progressed faster than usual due to the salt contained in the dog's urine etc. I did.



Koji Takahashi, Chief of the Traffic Regulation Division, Mie Prefecture Police Headquarters, said, "Even a small amount of urine can have a huge impact on public facilities if it is repeatedly applied for many years. When walking a dog, I hope that you will devise ways to finish the excretion in advance. "

Dog owners

People who walked the dog near the fallen traffic light pillar said, "It's difficult to stop it right away," although I try to keep my dog ​​from urinating as much as possible. , "What should I do if I can't do it outside?"



A woman in her 40s who lives nearby said, "When I used to have a dog in my room, the edge of the refrigerator was rusted with urine, so I think the pillar of the traffic light may fall down. Outside, the dog may be peeing at the moment, but if you try to stop it in the middle, the dog will be in a bad mood, so it's hard to stop. "



Also, a man in his 70s said, "I heard that the pillar had fallen and I thought it was dangerous. I try not to pee on the pillar by walking the grass as much as possible, but the dog pees outside. If it doesn't work, I'm wondering what to do. "

Expert "Excretion at home, not during a walk"

Akiko Shibauchi, director of Akasaka Animal Hospital in Minato-ku, Tokyo, who is familiar with dog discipline, said, "If a dog does not excrete outside during a walk, it will not cause great stress or illness. Owner It is recommended to discipline the dog at home instead of taking a walk so that the dog can understand the health condition of the dog by looking at the condition of excrement such as urine and to make the dog aware that it is a member of society. I want to. "



He also said, "I think there are differences in the difficulty and taste of discipline depending on the dog, but it is important for the owner to teach him how to excrete so that it suits the dog."