1. Department of Transport Systems, Traffic Engineering and Logistics, Faculty of Transport and Aviation Engineering, Silesian University of Technology, Krasińskiego 8 Street, 40-019 Katowice, Poland
2. National Delivery System, Melbourne, VIC 3000, Australia
3. School of Architecture, Planning and Policy Development, Institute Teknologi Bandung, Kota Bandung 40132, Indonesia
4. Faculty of Engineering, Universitas Janabadra, Yogyakarta 55231, Indonesia
5. Department of Civil Engineering, Universitas Muhammadiyah Yogyakarta, Yogyakarta 55183, Indonesia