On-board Schedule Management Functional Area


Collecting of data for schedule generation and adjustment on-board a transit vehicle. Supports communication between the vehicle, operator, and center.

Included In

TANK Transit Buses
SORTA Fixed Route Vehicles
SORTA Rail Vehicles
School Buses
RAMP Transit Vehicles
CTC Transit Vehicles
Local Transit Vehicles

Functional Requirements

1The transit vehicle shall receive a vehicle assignment including transit route information, transit service instructions, traffic information, road conditions, and other information for the operator.
2The transit vehicle shall use the route information and its current location to determine the deviation from the predetermined schedule.
3The transit vehicle shall calculate the estimated times of arrival (ETA) at transit stops.
4The transit vehicle shall determine scenarios to correct the schedule deviation.
5The 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.
6The transit vehicle shall send the schedule deviation and estimated arrival time information to the center.
7The 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.
8The 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.