VAST Regional ITS Architecture

Transit Vehicle Schedule Management Functional Area

Description

'Transit Vehicle Schedule Management' monitors schedule performance and identifies corrective actions when a deviation is detected. It provides two–way communication between the transit vehicle and center, enabling the center to communicate with the vehicle operator and monitor on–board systems.

Included In

C–TRAN Transit Vehicles

Functional Requirements

ID	Requirement
01	The transit vehicle shall receive a vehicle assignment including transit route information, transit service instructions, traffic information, road conditions, and other information for the operator.
02	The transit vehicle shall use the route information and its current location to determine the deviation from the predetermined schedule.
03	The transit vehicle shall calculate the estimated times of arrival (ETA) at transit stops.
04	The transit vehicle shall determine scenarios to correct the schedule deviation.
05	The transit vehicle shall provide the schedule deviations and instructions for schedule corrections to the transit vehicle operator if the deviation is small, or the transit vehicle is operating in an urban area.
06	The transit vehicle shall send the schedule deviation and estimated arrival time information to the center.
07	The transit vehicle shall support the operations of a flexible route service. This may include requests for route deviations that would then lead to schedule corrective actions.
08	The transit vehicle shall notify the transit center of vehicle location and operational status as the vehicle exits and returns to the transit facility to support future vehicle assignments.