>>363
全天候型高所ビデオ観測
https://www.argos-net.co.jp/img/traffic-survey/pic3-480.webp

https://www.kotsu-chosa.com/vp-site/top-img/vp-top-4.png

https://prcdn.freetls.fastly.net/release_image/17039/109/17039-109-f81bedd6ce29c366cfbdb2a583012239-750x422.jpg