Subway system is the main mode of transportation for city dwellers and is a quite significant
backbone to a city's operations. One of the challenges of subway network operation is the …

Reliability and punctuality of railway traffic are among the key performance indicators, which
have a significant impact on user satisfaction. A way to improve the reliability and on-time …

Performance aspects such as travel time, punctuality, and robustness are conflicting goals of
utmost importance for railway transports. To successfully plan railway traffic, it is therefore …

Rail transit delays are generally discussed in terms of on-time performance or problems at
individual stops. Such stop-scale approaches ignore the fact that delays are also caused …

Railway capacity planning aims to determine the amount of traffic that can be operated on a
given infrastructure. The timetable compression method described in UIC Code 406 has …

Due to high demand and capacity consumption, railway timetables are often sensitive to
disturbances. To maintain punctual operations, it is important that timetables are robust, and …

In this paper we define new concepts and metrics for improved understanding of causes to
unpunctual trains. The metrics are denoted delay contribution and critical disturbance. Delay …

One method to increase the quality of railway traffic flow is to construct a more robust
timetable in which trains are able both to recover from delays and the delays are prevented …

The robustness of the timetable is a sensitive issue in the daily realization of railway
operations. As shown in the paper, robustness is a function of time reserves that helps to …

Punctuality is regarded as an important measure of the performance of a railway system,
and is the one most commonly used and discussed measure both in the industry and among …