Fleet safety glossary

The terms you will meet when choosing fleet safety technology, explained simply.

• What is ADAS?

  ADAS (Advanced Driver Assistance System) meaning: camera-based warnings for collision, lane departure, headway and pedestrians in buses and trucks.

• What is DMS (Driver Monitoring System)?

  DMS meaning: a driver-facing AI camera that detects drowsiness, fatigue, distraction, phone use and smoking and alerts the driver in real time.

• What is AIS-140?

  AIS-140 meaning: the Indian Automotive Industry Standard for vehicle location tracking devices and emergency buttons in public service vehicles.

• What is VLTD?

  VLTD meaning: Vehicle Location Tracking Device, the GPS unit used for live tracking of public service and commercial vehicles in India.

• What is MDVR?

  MDVR meaning: Mobile Digital Video Recorder, a multi-camera recorder for buses and trucks with storage, GPS and 4G live video.

• What is Forward Collision Warning (FCW)?

  Forward collision warning meaning: an ADAS alert when a vehicle is closing too fast on the one ahead, based on time to collision.

• What is Lane Departure Warning (LDW)?

  Lane departure warning meaning: an ADAS alert when a vehicle drifts out of its lane without indicating.

• What is Headway Monitoring?

  Headway monitoring meaning: an ADAS feature that warns when the following distance in seconds is too short.

• What is Geofence?

  Geofence meaning: a virtual boundary on a map that triggers alerts when a tracked vehicle enters or leaves it.

• What is Automatic Passenger Counting (APC)?

  APC meaning: sensors above bus doors that count boarding and alighting passengers by direction.

• What is Captive Portal?

  Captive portal meaning: the login page passengers see when joining public Wi-Fi, used for terms, branding and access control.

• What is Capacitive Fuel Level Sensor?

  Capacitive fuel level sensor meaning: a probe inside the tank that measures fuel level continuously for consumption and theft monitoring.