AMPA Regional ITS Architecture Update

Element Expanded Functional Requirements: MRCOG Probe Vehicles

Functional Area: Vehicle Traffic Probe Support
  1. The vehicle shall respond to requests from short range communications equipment for identification information that can be used to collect basic probe information; the field equipment will remove identification information to ensure anonymity.
  2. The vehicle shall track its current vehicle position, speed, and heading and record snapshots of events (e.g., starts and stops, link travel times) that can be used to determine current traffic conditions.
  3. The vehicle shall record vehicle trip information (e.g., travel times, origin and destination information for vehicles that opt in) that can be used to support transportation planning.
  4. The vehicle shall transmit collected probe data to the center.
  5. The vehicle shall transmit collected probe data to field equipment located along the roadway.
  6. The vehicle shall report the number of vehicle occupants to field equipment located along the roadway.
Functional Area: Vehicle Location Determination
  1. The vehicle shall provide the vehicle's current location to other in-vehicle functions.
  2. The vehicle shall calculate the location from one or more data sources including positioning systems such as GPS, sensors that track vehicle movement, and maps used to determine the likely vehicle route.