Exploitable results
The MUSIC (Management of traffic USIng traffic flow Control and other measures) project has demonstrated that a novel approach to traffic signal control, alone or in combination with other measures, may be used to meet a variety of traffic management goals including:
- To reduce the travel times of public transport vehicles;
- To improve pedestrian facilities/comfort; and
- To reduce delays and stops experienced by vehicles and travellers.
The MUSIC project has demonstrated that traffic signal timings can be developed to support wide ranging transport policy objectives.
The main recommendation of the MUSIC project is that city authorities should consider signal timing plans as an important tool for traffic and transport management. The MUSIC approach offers a low-cost, transferable methodology that can be used in any town or city with an existing network model.
The results of the on-street demonstrations in MUSIC strongly suggest that drivers do change their routes in response to traffic signal timings. It is vital for tools which design and assess signal timing plans to account for this driver response, so as to accurately assess the effects of putting plans into practice on street. However, the MUSIC project also highlighted the fact that this rerouting can take a long time to achieve and it was considered that, even after more than a month, the drivers had not completed the rerouting process. A research need was identified for a model that could accurately predict such intermediate states in a network.
The current optimization procedures were utilized to produce the traffic signal timing plans used in the demonstrations. While these plans showed benefits in modeling and, generally, in real-life, the current optimisation procedures are heuristic rather than truly correct mathematical optimization procedures. There is therefore an urgent research need for a rigorous optimization method that can create traffic signal timing plans to support a variety of transport goals.
Project URL : http://gridlock.york.ac.uk/music/
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