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Um Estudo Sobre o Melhoramento da Rede Rodoviária Secundária da Região Centro de Portugal

Author

Listed:
  • Bruno F. Santos

    (Faculdade de Ciências e Tecnologia da Universidade de Coimbra, Coimbra, Portugal)

  • António P. Antunes

    (Faculdade de Ciências e Tecnologia da Universidade de Coimbra, Coimbra, Portugal)

Abstract

Nas últimas três décadas, grandes investimentos foram feitos no melhoramento das redes rodoviárias principais de Portugal e Espanha. Em contraste, durante o mesmo período, pouco foi feito no que diz respeito às estradas secundárias. Neste artigo, apresentamos um estudo que visa determinar a melhor maneira de melhorar a rede de estradas secundárias da Região Centro de Portugal. Esta é uma das regiões do país onde alguns problemas de acessibilidade persistem. O estudo foi feito usando um modelo multiobjetivo de planeamento de redes rodoviárias. Em relação aos modelos de planeamento de redes rodoviárias presentes na literatura, o modelo usado tem uma série de caraterísticas distintivas importantes. Foram considerados objetivos de eficiência (avaliada por quatro medidas diferentes: velocidade média de viagem; custos de viagem ponderados; ganhos no excedente do consumidor; e acessibilidade total ponderada), de equidade (avaliada pelo índice de Gini) e de energia (avaliada pelo consumo de combustível). Apresenta-se uma revisão geral das medidas utilizadas no passado para avaliar a eficiência da rede rodoviária e é feita uma discussão sobre as implicações da adoção das quatro medidas de eficiência. Os resultados para a Região Centro de Portugal indicam que as soluções podem ser significativamente diferentes quando se usa cada uma das medidas de eficiência. Como conclusão deste estudo, é apresentada uma breve reflexão sobre como incorporar as perspetivas, interesses e orçamentos de diferentes países em redes de regiões transfronteiriças.

Suggested Citation

  • Bruno F. Santos & António P. Antunes, 2012. "Um Estudo Sobre o Melhoramento da Rede Rodoviária Secundária da Região Centro de Portugal," RPER, Associação Portuguesa para o Desenvolvimento Regional, issue 30, pages 3-13, July.
    • Handle: RePEc:apd:rper00:y:2012:i:30:id:351
    DOI: 10.59072/rper.vi30.351
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    References listed on IDEAS

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