Public transportation managing system and method thereof

A public transportation managing system, comprising:

• a plurality of roadside units, wherein each of the roadside units comprises a roadside controller, a roadside sensor and a roadside communication module, the roadside controller, the roadside sensor and the roadside communication module of each of the roadside units are communicatively connected, each of the roadside controllers comprises a roadside processor and a roadside storage medium, and each of the roadside storage mediums is configured to store a roadside management module;
• wherein based on the roadside management modules, the roadside controllers are configured to:
• obtain a plurality of roadside sensing information of a roadside area at a plurality of time points through the roadside sensors;
• generate a predicted situation for the roadside area through at least one of the roadside controllers based on the roadside sensing information;
• generate a priority label or a timeliness label for the predicted situation through the at least one of the roadside controllers;
• generate a broadcast message of a broadcast time point through the at least one of the roadside controllers based on the predicted situation and the priority label or the timeliness label thereof;
• and
• transmit the broadcast message to a plurality of vehicles at the broadcast time point through at least one of the roadside communication modules.