Integrated Platforms. Includes: - Environmental monitoring system - Integrated Traffic Management - Network Monitoring. Index. Purpose.

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1 Integrated Platforms Includes: - Environmental monitoring system - Integrated Traffic Management - Network Monitoring Index Purpose Description Relevance for Large Scale Events Options Technologies Impacts Integration potential Implementation Best Cases and Examples 1 of 8

2 Purpose An Integrated ITS Platform is a telematics framework that permits data to be shared between different types of ITS application implemented within the same geographical area. The aim is to achieve more efficient management of transport as a whole, and to make available more and better quality information to operators as well as to final users (travellers). Such a Platform permits synergies which provide numerous benefits, including: - the possibility of implementing a coordinated transport management strategy in a given urban or interurban area as all ITS applications can operate collaboratively - increased quality and scope of information services for transport users (e.g. sharing of operational data between traffic control, parking and public transport systems); - the reduction of costs due to the possibility of shared equipment, databases, and staff. - better information available for making operational decisions. Description An Integrated Platform consists of a central server which is able to collect, process and make available different types of data from different sources. Typical functions provided by such a platform are: - Network Monitoring: real time information on traffic across a road network (e.g. congestion, traffic flows represented on a cartographical form) - Traffic forecasts; - Monitoring of System Status: the operational state of ITS systems and equipment; - Public Transport Monitoring: location of public transport vehicles, relationship to schedule (whether running on time, delayed, etc) and forecasts of arrival times at bus/tram stops; - Traffic Control Status: information from the UTC system on signals, queues etc - Variable Message Signs: location of signs and current message displayed. More advanced functions: - VIP/Emergency vehicle routes - Support to maintenance (Fault / Work-Order management) - Advanced Performance Monitoring (analytical graphs) - Incident detection and Congestion Warnings The basic components of a Integrated Platform are: - Control Centre: requiring a LAN architecture based normally on standard computers (servers and workstations) with a series of modular and scaleable functions - Communication network: a WAN architecture supporting several different kinds of wired and wireless communication media (e.g. optic fibre, dedicated telecommunication lines, VPN based on DSL connections, etc) and protocols (standard TCP/IP, proprietary serial protocols, etc), - Databases: a set of relational databases used to store data related to the system configuration, field measurements and diagnostics. 2 of 8

3 - User Interface: this is an essential element which allows the operator to have access to real-time and stored data in order to be able to efficiently monitor and/or manage the transport system. Data can be presented in different forms: cartographic, tabular, graphical etc on a common GUI (Graphical User Interface). In more advanced platforms, it is possible to call up several data representations at the same time (for comparison) and zoom in on specific parts of the network, e.g. an intersection, for a detailed view. Access to data via the Platform will normally be protected, so that given information and rights are available only to specific authorised users (e.g. the system administrator, traffic supervisor, maintenance teams, system operators, etc). Integration of ITS applications in an Integrated Platform Relevance for Large Scale Events Integrated Platforms can be exceedingly valuable for large events due to the possibility they offer for implementing a harmonised transport management strategy and improving information availability. An Integrated Platform which includes not only transport-related systems but is also connected to the information systems managed by the events organisations have the benefit of enabling real time event information (e.g. the finishing time of a sports event) to be made available to transport operators. Given the inherent problem of the intensive and unpredictable movements of people associated with large events, this can be very valuable in helping to match transport demand and supply. 3 of 8

4 Options a) Integrated Platforms for Urban Areas Platforms for urban areas will typically integrate all or some of the following ITS tools: - Signal control systems - Public transport management - Parking guidance - CCTV systems - Traveller information systems - Variable message signs - Environmental monitoring systems b) Integrated Platforms for Interurban Areas Platforms for interurban areas (e.g. motorways) will typically integrate all or some of the following: - Traffic monitoring systems - Incident detection systems - Ramp metering - Multimedia Traffic Messages - Variable message signs c) Wide area Platforms These cover a larger area or region, including parts of the interurban transport network as well as one or more urban areas. They may combine any of the above systems. The advantage is that this provides a wider view making it possible, for example, to offer better route guidance and travel information services and also improved traffic forecasts (especially where traffic flows between motorways/ring roads and the urban road network). In the case where several transport modes are included, there are considerable benefits for travellers wishing to make multimodal journeys. Technologies An Integrated Platform requires a powerful central server with a standard Operating System (such as MS Windows), relational databases and a map server. Gateways need to be set up, with the definition of standardised data formats, in order to permit the exchange of data with external systems. For local access to the information, work stations require normal with Internet browsers, such as Internet Explorer or Firefox. An example of the system architecture of the OMNIA Platform developed by MIZAR Automazione is shown below. 4 of 8

5 Architecture of the Integrated Platform OMNIA Impacts CRITERION IMPACT COMMENTS MEASURED IMPACTS* TRAFFIC EFFICIENCY *** Average travel speed reduction 19-20% (measured in Turin by Quartet Plus, 1997) PT EFFICIENCY N/A Gain in commercial speed approx 17% Reduction in operational costs (measured in Turin by Quartet Plus, 1997) MODAL SHIFT * Better quality information available for public transport passengers and greater regularity of buses/trams as a result of integrated UTC/PT systems. Shift from car to public transport 3% (measured in Turin by Quartet Plus, 1997) AIR POLLUTION ** Reduction in pollution 8% (measured in Turin by Quartet Plus, 1997) SAFETY ** 5 of 8

6 Integration potential testo Implementation Whenever possible, the requirements of system integration should be taken into account at the start of the ITS development process. Once systems have already been specified and implemented, they are more difficult and costly to integrate. The setting up of an Integrated Platform requires coordination not only at the technical but also the organisational level. Among the non-technical factors which have to be considered when systems are functionally integrated, are the agreements required in connection with data exchange between the many bodies involved and their relative responsibilities. Three key aspects to consider when designing integrated systems are: a) the design of the system architecture b) the management and operational aspects c) the necessary standards and specifications. A high level system architecture is a tool which can help to draw up sound specifications. The European ITS Framework Architecture (also known as FRAME) provides guidelines for such a process. FRAME recommends a methodology which begins by identifying the System Requirements, based on a formal statement of the needs of all the stakeholders. This permits the definition of a Functional Viewpoint, which describes the functions and sub-functions of all the systems, the flows of data between them and the main databases required. Using this as a basis, it is possible to draw up further system views, including: - Physical Viewpoint which describes the grouping of the functions into physical units and the communication lines between them; - Information Viewpoint - which describes the data needed by the system(s) and their interrelationships - Communication Viewpoint which describes the data flow between the physical units both in terms of message sets and the characteristics needed from the media. - Organisational Viewpoint which describes the organisational links required for the operation of the system. Examples The City of Bucharest 6 of 8

7 An example of an advanced Integrated Platform is the BTMS (Bucharest Traffic Management System), installed in This has been able to achieve high performance and operation levels as a result of the implementation of the following key subsystems: - UTOPIA Traffic Control system, which optimises urban traffic at around 90 intersections and provides priority (selective, weighted or absolute) to trams, buses and emergency vehicles, - the FLASH Automatic Vehicle Management system that manages 300 buses/trams, - the MATRIX Town Supervisor, that calculates the strategies for optimising traffic, public transport and the environment at the area level, - the MISTIC Vision system, for the implementation and operation of the Traffic and Travel Information Interface. These are integrated with a series of important subsystems which permit efficient management of the whole transport system (private vehicles and public transport) and the information services: - Strategy Supervisor - Fault Management Systems - Network Management System - Performance Monitoring - Traffic and Travel Information Interface Bucharest: User interface showing VMS and sensor status 7 of 8

8 Bucharest: User Interface showing traffic flow and incidents 8 of 8