1. Assistant Professor, Dept. of Transports, Civil Engineering School, Universidad de Cantabria, Santander, Spain (corresponding author).
2. Assistant Professor, Construction Engineering School, Faculty of Engineering, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile.
3. Masters Research Student, Civil Engineering School, Universidad de Cantabria, Santander, Spain.
4. Assistant Professor, Dept. of Transports, Civil Engineering School, Universidad de Cantabria, Santander, Spain.
5. Professor, Dept. of Transports, Civil Engineering School, Universidad de Cantabria, Santander, Spain.