1. Institute for Transport Studies, Department of Landscape, Spatial, and Infrastructure Sciences, University of Natural Resources and Life Sciences Vienna, Peter Jordan-Strasse 82, Vienna A-1190, Austria.
2. Austrian Institute of Technology, Giefinggasse 2, Vienna A-1210, Austria.
3. Sociology Section (ISRA), Department of Spatial Development, Infrastructure, and Environmental Planning, Vienna University of Technology, Paniglgasse 16, Vienna A-1040, Austria.