Business Process System

Functional Area

System

Diagrams

Definition

	Context Diagram
	Functional Area Diagram (DFD0)

The 1st Diagram is a DFD diagram which provides a description of the Functional Area in the ITS Environment
The 2nd Diagram is a Functional Tree which provides a hierarchical description of the Functional Area into Subfunctions

Context Diagram

The 1st Diagram is a DFD diagram which provides a description of the Functional Area in the ITS Environment
The 2nd Diagram is a Functional Tree which provides a hierarchical description of the Functional Area into Subfunctions

Functional Area Diagram (DFD0)

Functional Area
System

Description

Component Functions

Parent

Input dataflows

From Ambient Environment
From Bridge/Tunnel Infrastructure
From Consignor/Consignee
From Driver
From Emergency Systems
From External Service Provider
From Financial Clearinghouse
From Freight Equipment
From Law Enforcement Agency
From Location Data Source
From Maintenance Organisation
From Multi-Modal System
From Operator
From Other Related System
From Road Pavement
From Roadside Equipment
From Traffic
From Transport Planner
From Traveller
From Vehicle
From Vehicle Environment
From Weather Systems

Output dataflows

To Bridge/Tunnel Infrastructure
To Consignor/Consignee
To Driver
To Emergency Systems
To External Service Provider
To Financial Clearinghouse
To Freight Equipment
To Law Enforcement Agency
To Maintenance Organisation
To Multi-Modal System
To Operator
To Other Related System
To Transport Planner
To Traveller
To Vehicle
To Weather Systems