Objective
The goal of this project is to investigate methods to detect the Origin / Destination (O/D) information in real time and then to develop concepts to improve traffic control, both urban and extra-urban, according to that information.
Work has been carried out to investigate and developmethods and suitable algorithms for the online estimation of origin destination (O-D) information, then to develop new concepts of traffic control which use O-D information in order to improve transport efficiency for both urban and extraurban traffic. O-D estimation methods were developed first for urban intersections and linear motorways, and then extended to general road networks. Traffic control functions taking advantage of O-D information have been defined for both urban and motorway networks.
The research has focused on estimation techniques making use of data on the current state of traffic obtained from vehicle detectors (for example, inductive loops). Traffic surveillance and control systems providing other forms of data, perhaps from video cameras, have also been considered but in less detail. While static methods for O-D estimation have been considered, the investigation has focused on dynamic approaches where use is made of the information contained in the time series of traffic counts. This avoids, as much as possible, reliance on a priori information on the size of O-D flows and on assignment. Where a static approach appears to be most appropriate, the input of O-D data for subnetworks obtained by dynamic estimation has been considered.
Suitable schemes for traffic control using the dynamic O-D information have been investigated, taking into account the different levels of control (network or single junctions), for both urban and motorway traffic. Other uses of O-D information were also considered, in areas such as transport planning and operations.
The objective of improving road transport efficiency using O/D information by congestion prevention is pursued taking into account the evolution of traffic control system architectures from conventional UTC systems with sensors (mainly inductive loops) to more advanced systems with new technologies. The project intends to develop all topics regarding the O/D achievement from UTC systems (except from route guidance systems) and the use of this information for traffic control actions.
After a review of the existing methods the project will predict urban and extra-urban traffic by mean of O/D information obtained from more and more enhanced systems and will provide O/D for urban transport planning. The levels of UTC systems examined will be conventional systems, route guidance (only link) and KBS. The use of O/D as input for control actions in order to prevent congestion will follows and at the end a global evaluation of efficiency from O/D utilisation is expected as well as the possible integration between urban and extra-urban approaches will be analysed.
Main Deliverables:
Urban and extra-urban dynamic algorithm to achieve and use O/D information.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering control systems
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering sensors optical sensors
- social sciences social geography transport transport planning
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Coordinator
Italy
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