Affiliation: | 1. Graduate Program in Transportation, Department of Civil &2. Environmental Engineering , Darcy Ribeiro University Campus, University of Brasília (UnB) , Building SG-12, 70919–970 , Brasília , DF , Brazil marnejr@gmail.com;4. Interdisciplinary Centre for Transport Studies - ICTS , Darcy Ribeiro University Campus, University of Brasilia (UnB) , CEFTRU Building SG-12, 70919-970 , Brasilia , DF , Brazil;5. Department of Mathematics , Midwestern State University (Unicentro), Rua Presidente Zacarias , 875 Santa Cruz, 85010–190 , Guarapuava , PR , Brazil |