Train vs. airplane: Investigating the potential modal share shift and the environmental impact for a reduced train travel time from Thessaloniki to AthensMichail Markakis, Dimitra Giannaka, Evangelos Genitsaris and Dimitrios NalmpantisE3S Web Conf., 436 (2023) 11008DOI: https://doi.org/10.1051/e3sconf/202343611008