年表作成・共有サービス - pastport

https://www.trafficsolution.cn/intelligent-road-studs-will-bring-us-an-smart-traffic-life.html

With the frequent occurrence of traffic accidents and the increasing number of traffic deaths each year, road safety has gradually become the focus of people's attention. All of these remind us that we cannot ignore the intelligentization of road, and we must change the status quo of single service, single function and inflexibility of road infrastructure. Therefore, intelligent road studs made by Sinowatcher emerge at the right moment.

What are the characteristics of smart road studs