Avaliação de medidas de desempenho para rodovias de pista simples obtidas a partir de relações fluxo-velocidade

Authors

  • Jose Elievam Bessa Junior Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG)
  • Jose Reynaldo Setti Escola de Engenharia de São Carlos da Universidade de São Paulo (EESC-USP)

DOI:

https://doi.org/10.14295/transportes.v24i3.1145

Keywords:

Measure of Effectiveness, Two-lane Rural Highways, Speed-flow Relationships, Traffic Simulation.

Abstract

The Highway Capacity Manual 2010 uses Percent-Time-Spent Following (PTSF) and Average Travel Speed to estimate level of service on two-lane rural highways. As it is almost impossible to observe PTSF directly in the field, many researchers have been searching for alternative measures of effectiveness (MDs) that can be obtained from traffic stream parameters. Moreover, speed-flow relationships have a fundamental role in LOS estimation in the HCM2010 and in the German HBS2001. The objective of this paper was to assess MDs derived from speed-flow relationships that could ade-quately describe quality of service on two-lane rural highways in Brazil. Speed-flow models were fitted for different condi-tions (geometry, percentages of heavy vehicles and free-flow speeds), using synthetic traffic data produced by a recalibrated version of CORSIM. Comparisons between the values obtained using these models and field data indicated that average travel speed of cars and density for cars could replace the current HCM criteria for the estimation of LOS on two-lane rural highways in Brazil.

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Author Biography

Jose Elievam Bessa Junior, Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG)

Graduado em Engenharia Civil pela Universidade Federal do Ceará (2006). Mestre (2009) e Doutor (2015) em Engenharia de Transportes pela Escola de Engenharia de São Carlos (EESC-USP). É Professor Efetivo do Centro Federal de Educação Tecnológica de Minas Gerais, no Departamento de Engenharia de Transportes (Campus I). Atua, principalmente, nos seguintes temas: Simulação de tráfego, Capacidade e Nível de Serviço, Controle de tráfego urbano e rodoviário e Planejamento dos transportes.

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Published

2016-12-01

How to Cite

Bessa Junior, J. E., & Setti, J. R. (2016). Avaliação de medidas de desempenho para rodovias de pista simples obtidas a partir de relações fluxo-velocidade. TRANSPORTES, 24(3), 72–80. https://doi.org/10.14295/transportes.v24i3.1145

Issue

Vol. 24 No. 3 (2016): Prêmio ANPET de Produção Científica 2015

Section

Artigos Vencedores do Prêmio ANPET Produção Científica

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