1. Department of Civil & Environmental Engineering, Universidad del Norte (UniNorte), Barranquilla, Colombia
2. School of Civil Engineering and Architecture, Wuhan Institute of Technology (WIT), Wuhan, People’s Republic of China
3. Kubu Consultancy (Pty) Ltd and University of Pretoria, Pretoria, South Africa
4. Texas A&M Transportation Institute (TTI), The Texas A&M University System, College Station, TX, USA