1. Civil Engineer, Department of Civil Engineering. Transport, Polythecnic University of Madrid, Madrid, Spain
2. Civil Engineer, Assistant Professor, Department of Civil Engineering and Transport, Polytechnic University of Madrid, Madrid, Spain
3. Civil Engineer, Department of Civil Engineering. Transport, Polythecnic University of Madrid, Madrid, Spain (corresponding author: )
4. Associated Professor, Department of Computers, Carlos III University of Madrid, Madrid, Spain