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TIMETABLE ROBUSTNESS AND PUNCTUALITY ESTIMATION
AND DEVELOPMENT OF TRAFFIC MANAGEMENT CRITERIA

HIGH SPEED LINE MILAN – ROME (ITALY)

An High Speed Line connects Turin, Milan, Bologna, Florence, Rome and Neaples, stretching for over 1000 km and acting as a ‘vertical spine’ for the country, linking most of the major cities and serving around 65% of the country’s population.

In order to maximize the number of trains on the line maintaing without hindering the reliability standards, detailed a careful timetable planning was required, considering the most common incidents and infrastructure works along the line.

In a follow-on study, a number of different alternatives for the high-speed Florence junction have been simulated and evaluated considering the capacity, the running times and the delay propagation during the works to build the junction.

During the activation of the new interlocking system in Bologna main station, at the hearth of the Italian network, the traffic was strongly reduced and a number of trains were re-routed to the freight bypass. LIFT carried out the extensive simulation which led to the definition of the temporary timetable.

Our tasks:
- Preparation of the micro-simulation model
- Calibration and validation of stochastic simulation using real data
- Definition and simulation of delay scenarios
- Simulation of dispatching criteria
- Analysis of results: expected robustness

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