1.1.4.1---Retrieve Traffic Data (Pspec*)This process shall distribute traffic data, roadway network data, and environmental sensor data to other functions within ITS and to other terminators on the boundary of the architecture. The process shall retrieve data from the data stores managed by other processes in the Provide Traffic Surveillance facility of the Manage Traffic function. The process shall respond to requests for data that originate from traffic operations personnel, the Manage Transit function, the Manage Emergency Services function, the Manage Demand facility within the Manage Traffic function, and the Provide Driver and Traveler Services function. Upon request from the operator, this process shall request data from the Manage Archived Data function to support the operational needs of the Manage Traffic function. When received, this archive data product shall be forwarded to the operator and to other functions within Manage Traffic, including Manage Travel Demand and Provide Device Control. The process shall provide environmental sensor data to the Manage Maintenance and Construction function as well as the Weather Service and Surface Transportation Weather Service terminators. The process shall also generate traffic data for output by other processes to in-vehicle signage functions.This Pspec is associated with the Traffic Management Subsystem*. This Pspec is associated with the following Equipment Packages*:
Data Flows*:
ENCLOSING DFDUser Service Requirements*:1.6.0 , 1.6.3 , 1.6.3.4 , 1.6.3.4.1 , 1.6.4 , 1.6.4(a) , 1.6.4(b) , 1.6.4(c) , 1.6.4(d) , 5.3.0 , 5.3.2 , 5.3.2.2 , 5.3.2.2(c) , 8.1.0 , 8.1.1 , 8.1.1.6 , 8.1.1.6.1 , 8.1.1.6.1(a) , 8.1.1.6.1(b)Hypertext Architecture Version 6.1 generated on 1/7/2009 from the following databases Physical Architecture dated 12/15/2008, Logical Architecture dated 12/2/2008, Market Packages dated 12/14/2008, Security dated 11/13/2008, User Services dated 4/9/2007, Theory of Operations dated 12/14/2008, AppMap dated 12/19/2008 and the SDOMAP dated 12/12/2008 |