Integration of Geofencing and GIS for Real-Time E-Bus Tracking and Notification System

This study presents the integration of Geofencing and Geographic Information Systems (GIS) to develop a real-time E-Bus tracking and notification system that enhances the efficiency of public transportation monitoring. The system combines GPS-based position detection with GIS spatial visualization to automatically identify bus arrivals within predefined geofence zones and deliver instant notifications to passengers. The application was developed using Flutter for mobile interfaces, Google Maps API for spatial rendering, and PostgreSQL with PostGIS for data storage. System functionality was verified through Black-Box testing and GPS simulation to evaluate accuracy and latency. Experimental results demonstrate that the system achieves a tracking accuracy of approximately 95% with an average notification delay below 3 seconds. The findings confirm that integrating Geofencing with GIS significantly improves vehicle monitoring precision and passenger information timeliness. This research provides a practical reference for the implementation of smart transportation systems supporting Smart City initiatives in Indonesia.