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Public Transportation
Telemetry, punctuality, and passenger data for transit fleets
AutoPi connects to buses and rail vehicles via CAN, CAN-FD, J1939, and auxiliary I/O to capture propulsion, HVAC, doors/ramps, battery, and brake data in real time. Devices buffer offline and synchronize securely to the cloud over signed, compressed channels so every vehicle becomes a traceable data node,streaming status, faults, and location.
Typical setup: periodic PID/UDS polling (1–10s), burst capture on DTCs or threshold breach, GTFS-RT feed generation for real-time passenger info, and geofence rules for depots and timepoints. Templates apply per OEM and model year to ensure consistent decoding across mixed fleets.
Signals are time-aligned with GPS and IMU for headway adherence, dwell analysis, and on-time performance. APIs (REST/MQTT) and scheduled exports (CSV/JSON/PDF) feed AVL/ETA systems, BI tooling, and agency data portals.
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Real-time vehicle tracking
Publish accurate positions, headings, and speeds with sub-second timestamps. Generate GTFS-Realtime trip updates, vehicle positions, and service alerts. Headway and bunching detection highlight spacing issues; depot/stop geofences compute enter/exit and dwell for timetable adherence.
Advanced diagnostics
Capture CAN/J1939 faults, temperatures, pressures, door/bridge states, wheelchair ramp cycles, and HVAC performance. Triggers start high-rate logging on DTCs or anomalies and open tickets or webhooks automatically for rapid response.
Systems integration
Connect to CAD/AVL, fare and APC systems through REST, MQTT, webhooks, and scheduled exports. Support for GTFS-RT, SIRI/ITxPT data models, and agency BI pipelines ensures interoperable analytics and rider information.
Data-driven insights
Analyze dwell times, stop-level demand, on-time performance, energy use (e-bus), and driver events. Compare routes, blocks, and garages, and surface root causes for delays or excess idling to improve service reliability.
Operations
Real-time monitoring for reliable, on-time service
Live telemetry from vehicle networks, GPS, and environmental sensors tracks headway, dwell, and speed adherence across routes and blocks. Threshold rules trigger alerts for overheating, low air pressure, HVAC underperformance, or door faults. Each alert includes timestamp, location, and sensor trace for quick triage.
Vehicles can operate in low-coverage corridors,devices buffer offline and synchronize automatically when connectivity returns. Dashboards visualize active trips, early/late status, and bunching; scheduled exports produce daily OTP and dwell reports for planners and operations.
Configuration, parsers, and firmware are versioned with author, timestamp, and diff. OTA jobs support staged rollout and rollback so fleet changes can be tested on a subset before system-wide deployment.
Standards & data exchange
Interoperable feeds for rider info, CAD/AVL, and BI
Generate GTFS-Realtime feeds for trip updates, service alerts, and vehicle positions. Support SIRI/ITxPT data structures for European deployments and integrate with APC and fare systems for accurate ridership and dwell analysis.
For e-bus programs, collect traction battery metrics, charging sessions, and energy per km to track efficiency and range. All datasets are normalized and time-aligned for downstream analytics in agency tools or data lakes.
Integration options include REST, MQTT, and scheduled file exports (CSV/JSON/PDF) partitioned by route, garage, or service day. Every export is logged with task IDs and retention controls for auditing and reproducibility.
Something unclear?
Frequently asked questions
Answers about transit telematics, GTFS-Realtime, headway and dwell analytics, diagnostics, e-bus energy, integrations, and data security.
Business solutions
Solutions for Public Transportation
All of our business solutions are customizable to meet your requirements.
Fleet Data Management
EV Fleet Sustainability
Advanced Vehicle Telematics
Fleet Management System
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