Public transport planning adaption under the COVID-19 pandemic crisis: literature review of research needs and directions

K Gkiotsalitis, O Cats - Transport Reviews, 2021 - Taylor & Francis
The COVID-19 pandemic crisis has greatly impacted public transport ridership and service
provision across the world. As many countries start to navigate their return to normality, new …

Headway variability in public transport: A review of metrics, determinants, effects for quality of service and control strategies

A Tirachini, J Godachevich, O Cats, JC Muñoz… - Transport …, 2022 - Taylor & Francis
The most relevant issues related to headway variability in public transport planning,
operations and quality of service are reviewed in this paper. We discuss the causes and …

[HTML][HTML] Optimization of service frequency and vehicle size for automated bus systems with crowding externalities and travel time stochasticity

M Sadrani, A Tirachini, C Antoniou - Transportation Research Part C …, 2022 - Elsevier
Public transport is considered as one of the most suitable candidates to benefit from
autonomous driving technologies. In this research, we develop a mathematical modeling …

Optimal frequency setting of metro services in the age of COVID-19 distancing measures

K Gkiotsalitis, O Cats - Transportmetrica A: Transport Science, 2022 - Taylor & Francis
Public transport is one of the most disrupted sectors of the COVID-19 pandemic with
reported ridership drops up to 90% in majorly affected countries. As many government …

[HTML][HTML] An exact approach for the multi-depot electric bus scheduling problem with time windows

K Gkiotsalitis, C Iliopoulou, K Kepaptsoglou - European Journal of …, 2023 - Elsevier
This study extends the multi-depot vehicle scheduling problem with time windows
(MDVSPTW) to the case of electric vehicles which can recharge at charging stations located …

[HTML][HTML] On the design of an optimal flexible bus dispatching system with modular bus units: Using the three-dimensional macroscopic fundamental diagram

I Dakic, K Yang, M Menendez, JYJ Chow - Transportation Research Part B …, 2021 - Elsevier
This study proposes a novel flexible bus dispatching system in which a fleet of fully
automated modular bus units, together with conventional buses, serves the passenger …

A cost-minimization model for bus fleet allocation featuring the tactical generation of short-turning and interlining options

K Gkiotsalitis, Z Wu, O Cats - Transportation Research Part C: Emerging …, 2019 - Elsevier
Urban public transport operations in peak periods are characterized by highly uneven
demand distributions and scarcity of resources. In this work, we propose a rule-based …

[HTML][HTML] An exact optimization method for coordinating the arrival times of urban rail lines at a common corridor

K Gkiotsalitis, O Cats, T Liu, JM Bult - Transportation Research Part E …, 2023 - Elsevier
The trips of a high-frequency urban rail line are typically planned with the aim of achieving
even time headways. This results in reliable services for each urban rail line, where …

Robust timetable optimization for bus lines subject to resource and regulatory constraints

K Gkiotsalitis, F Alesiani - Transportation Research Part E: Logistics and …, 2019 - Elsevier
Timetables are typically generated based on passenger demand and travel time
expectations. This work incorporates the travel time and passenger demand uncertainty to …

Vehicle dispatching plan for minimizing passenger waiting time in a corridor with buses of different sizes: Model formulation and solution approaches

M Sadrani, A Tirachini, C Antoniou - European Journal of Operational …, 2022 - Elsevier
Urban public transportation agencies sometimes have to operate mixing vehicles of different
sizes on their routes, due to resource limitations or historical reasons. Services with different …