Smart guy / Bollard

cars are also increased with developing modern society so walkers are threated and receive many discomfort like a traffic jam or not fining place to stop the car. for this reason, Bollad come out.

Bollad is important watcher in the city but it can be obstruction for vehicles that have to protect the people very fast like a fire truck and police car. therefor, emergency vehicles and Bollad should adapt sensor which automatically down for not having passing obstruction in the emergency situaction