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Industry Solution

Telematics for
Public Transit Fleets

AutoPi connects buses, trams, and rail vehicles via CAN, CAN-FD, J1939, and auxiliary I/O - capturing propulsion, HVAC, doors, battery, and brake data in real time. Every vehicle becomes a traceable data node streaming status, faults, and location to your CAD/AVL, ETA, and BI systems.

1–10 s PID polling GTFS-Realtime output Offline buffering J1939 / CAN-FD
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Transit fleet telemetry and geofencing
GTFS-Realtime live
OTP monitoring
Real-time GPS
CAN / J1939 / UDS
GTFS-Realtime
E-bus battery
OTA fleet updates
REST / MQTT export
Data pipeline

From vehicle network to agency platforms

A three-stage pipeline captures, normalizes, and delivers transit data - with every step versioned, auditable, and configurable per OEM template.

01

Capture

Periodic PID/UDS polling (1–10 s) on CAN, CAN-FD, and J1939 buses. Burst mode engages on DTC events or threshold breach. GPS and IMU overlay provide time-aligned spatial data.

CAN / CAN-FD J1939 UDS / OBD-II GPS + IMU
02

Process

OEM-specific parser templates decode raw frames. Offline buffer ensures no data loss in tunnels or low-coverage corridors. Signals are time-aligned and compressed before upload.

OEM templates Offline buffer TLS + signed
03

Deliver

GTFS-RT feeds, REST/MQTT streams, and scheduled CSV/JSON/PDF exports reach CAD/AVL, ETA, APC, and BI systems. Every export is task-logged with retention controls.

GTFS-RT REST / MQTT Webhooks CSV / JSON

Headway & dwell analysis

GPS + stop geofences compute on-time performance, bunching, and dwell per stop - alerts feed dispatch for real-time re-spacing.

Fault triage & DTC alerts

DTC events trigger burst capture and automatic tickets. Ramp, door, HVAC, and brake faults are geolocated and stamped for rapid maintenance dispatch.

E-bus energy tracking

SoC, SoH, charge sessions, and kWh/km - segmented by route, weather, and load - inform range planning and depot charging schedules.

OTA & config versioning

Fleet templates track parsers, jobs, and triggers per OEM. Staged rollout with canary groups and one-click rollback. Every change is authored, diffed, and logged.

Operations

Real-time monitoring for on-time, reliable service

  • Live headway and dwell computation with stop-level OTP dashboards and early/late status per block
  • Threshold rules for temperature, air pressure, HVAC output, and door fault - each alert includes timestamp, location, and sensor trace
  • Offline buffering for tunnels and low-coverage corridors - automatic sync on reconnect with verified, gap-free records
  • Scheduled OTP, dwell, and headway reports - daily exports by route, garage, or service day for planners and operations teams
Public metro transportation
Transit bus on route
Standards & data exchange

Interoperable feeds for CAD/AVL, rider info, and BI

  • GTFS-Realtime feeds for TripUpdates, VehiclePositions, and ServiceAlerts - partitioned by route, block, or depot
  • SIRI/ITxPT structure mapping for European deployments with full APC and fare system correlation
  • E-bus metrics - battery SoC/SoH, kWh/km, range efficiency, and charge session logs - normalized for route-level analytics
  • REST, MQTT, webhooks, and scheduled CSV/JSON/PDF exports with task IDs and retention controls for governance
Integrations

Connect with your existing transit ecosystem

Purpose-built connectors and open APIs reach every layer of your transit technology stack.

GTFS-Realtime

Full support for TripUpdates, VehiclePositions, and ServiceAlerts partitioned by route, block, or depot - ready for passenger info displays and app integrations.

CAD / AVL systems

REST and MQTT streams feed Computer-Aided Dispatch and Automatic Vehicle Location platforms with live positions, headway, and incident data for dispatcher situational awareness.

APC & fare systems

Correlate automatic passenger counts and fare events with dwell times and headway to support planning, block adjustments, and revenue analytics across routes and garages.

SIRI / ITxPT

Map telemetry to SIRI and ITxPT structures for European deployments. Feeds integrate directly with national transit data hubs and passenger information frameworks.

BI & data lakes

Scheduled CSV/JSON/PDF exports partitioned by route, garage, or service day - with task IDs, timestamps, and retention controls - flow directly into agency data warehouses and BI tools.

Ready to connect?

Talk to our transit telematics team about pilot rollout, OEM templates, and agency-specific requirements.

Get in touch
Something unclear?

Frequently asked questions

Answers about transit telematics, GTFS-Realtime, headway and dwell analytics, diagnostics, e-bus energy, integrations, and data security.

Bus, shuttle, BRT, tram, and rail fleets. Each vehicle exposes telemetry (GPS, speed, dwell), diagnostics (CAN/J1939/UDS), and events (doors, ramps, HVAC). Data is normalized and time-aligned for CAD/AVL, ETA, maintenance, and planning.

Live GPS and sensor data compute headway, dwell, and early/late status per stop. Rules alert on bunching, excess dwell, or route deviation so dispatch can re-space vehicles, short-turn, or hold to recover OTP in service.

The platform can generate GTFS-Realtime feeds (TripUpdates, VehiclePositions, ServiceAlerts) and map telemetry to SIRI/ITxPT structures. Feeds are partitionable by route, block, or garage for downstream rider info and CAD/AVL.

Devices poll CAN/J1939/UDS and raise events on DTCs or abnormal trends (overheat, low air, HVAC underperformance). Burst capture stores high-rate windows around events; webhooks or tickets are opened automatically for maintenance.

Yes. REST/MQTT/webhooks and scheduled exports (CSV/JSON/PDF) enable bidirectional exchange. Correlate APC counts and fare events with dwell and headway for planning and block/route adjustments.

Capture traction battery SoC/SoH, voltage/current, temperatures, and charge sessions. Compute energy per km, regen, and efficiency by route, weather, and load to manage range and charging schedules.

Door states, ramp/bridge cycles, and fault codes are logged with timestamps and location. Alerts on ramp failures or repeated retries speed response and document compliance for audits.

Per-device authentication, TLS, signed payloads, and role-based access. All actions (config, OTA, commands) are logged with user, device ID, and result. Offline buffering preserves continuity; verified sync prevents tampering or loss.

Fleet templates define loggers, triggers, jobs, and parsers per OEM/model year. OTA supports staged rollout, canaries, and rollback. Every change stores author, timestamp, and diff; devices return exit codes and logs.

Scheduled OTP, dwell, headway, and incident reports by route/garage/service day. Exports as CSV/JSON/PDF or webhooks to BI/TMS/data lakes. Each export has task IDs, timestamps, and retention controls for auditability.
Business solutions

Solutions for Public Transportation

All of our business solutions are customizable to meet your requirements.

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