GPS Tracking: 6,851 Municipal Transport Vehicles

About the Project

For Brazil's municipal transport system, we developed a comprehensive GPS monitoring system tracking 6,851 vehicles in real-time.

System Scale

Metric	Value
Vehicles	6,851
GPS points per day	12M+
Cities covered	150+
System uptime	99.95%

Vehicle Types

• Buses — city routes
• Minibuses — suburban transport
• Special vehicles — ambulance, police
• School buses — children transport
• Service vehicles — municipal needs

System Features

Real-time Monitoring

• Map display in real-time
• Status of each vehicle
• Speed and direction
• Route history

Route Deviation

• Automatic deviation detection
• Push notifications to dispatchers
• Cause analysis (traffic, road repair)
• Route statistics

Schedule Control

• Actual vs. planned comparison
• Stop arrival calculation
• Delay prediction
• Interval optimization

Technical Condition

• Onboard system data (OBD2)
• Fuel consumption
• Mileage and operation hours
• Maintenance planning

Status Panel

Dispatchers see in real-time:

Status	Description
On route	Vehicle moving on schedule
Delay	Behind schedule
Breakdown	Requires technical assistance
Reserve	At depot, ready to dispatch

Architecture

Onboard Equipment

• GPS/GLONASS tracker
• 4G/LTE modem
• OBD2 adapter
• Panic button

Server Infrastructure

• Tracker data reception
• Processing and aggregation
• History storage
• API for applications

Client Applications

• Web panel for dispatchers
• Mobile app for passengers
• Integration with information boards

Implementation Results

For Passengers

• Arrival accuracy: ±2 minutes instead of ±15
• Information: time to arrival on displays
• Safety: school bus tracking

For Municipalities

• Control: 100% operation transparency
• Fuel savings: -15% through optimization
• Downtime reduction: -40% breakdowns (scheduled maintenance)

For Carriers

• Driver discipline: route compliance
• Resource optimization: proper distribution
• Evidence base: for disputed situations

Technical Specifications

Parameter	Value
GPS point interval	10 sec
Display delay	<3 sec
History storage	2 years
Positioning accuracy	3-5 m

Integrations

• Yandex.Maps / Google Maps
• Fare payment systems
• Information boards at stops
• Passenger mobile apps
• Dispatch systems

Technologies

• Trackers: Teltonika FMB920
• Backend: Java + Spring Boot
• Database: TimescaleDB (time series)
• Maps: Leaflet + OpenStreetMap
• Mobile: Android (Java)
• Real-time: WebSocket + MQTT

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