Barfod, Michael Bruhn, Steen Leleur, Henrik Gudmundsson, Claus Hedegaard Sørensen, and Carsten Greve. “Promoting Sustainability through National Transport Planning”. European Journal of Transport and Infrastructure Research 18, no. 3 (June 1, 2018). Accessed November 21, 2024. https://journals.open.tudelft.nl/ejtir/article/view/3236.