Heavy vehicle demand evolution in interurban toll roads: key explanatory variables in Spain

Gomez Sanchez, Juan y Vassallo Magro, José Manuel (2015). Heavy vehicle demand evolution in interurban toll roads: key explanatory variables in Spain. En: "Transportation Research Board 94th Annual Meeting", 11-15 enero 2015, Washington DC.

Descripción

Título: Heavy vehicle demand evolution in interurban toll roads: key explanatory variables in Spain
Autor/es:
  • Gomez Sanchez, Juan
  • Vassallo Magro, José Manuel
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Transportation Research Board 94th Annual Meeting
Fechas del Evento: 11-15 enero 2015
Lugar del Evento: Washington DC
Título del Libro: TRB 94th Annual Meeting Compendium of Papers
Fecha: 2015
Materias:
Palabras Clave Informales: Heavy vehicle traffic, road freight, toll road, demand elasticities, dynamic panel data, Spain
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ingeniería Civil: Transporte y Territorio
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Improving the knowledge of demand evolution over time is a key aspect in the evaluation of transport policies and in forecasting future investment needs. It becomes even more critical for the case of toll roads, which in recent decades has become an increasingly common device to fund road projects. However, literature regarding demand elasticity estimates in toll roads is sparse and leaves some important aspects to be analyzed in greater detail. In particular, previous research does not often disaggregate heavy vehicle demand from road traffic, so that the specific behavioral patterns of this traffic segment are not taken into account. Furthermore, GDP is the main socioeconomic variable most commonly chosen to explain road freight traffic growth over time. This paper seeks to determine the variables that better explain the evolution of heavy vehicle demand in toll roads over time. To that end, we present a dynamic panel data methodology aimed at identifying the key socioeconomic variables that explain the behavior of road freight traffic throughout the years. The results show that, despite the usual practice, GDP may not constitute a suitable explanatory variable for heavy vehicle demand. Rather, considering only the GDP of those sectors with a high impact on transport demand, such as construction or industry, leads to more consistent results. The methodology is applied to Spanish toll roads for the 1990-2011 period. This is an interesting case in the international context, as road freight demand has experienced an even greater reduction in Spain than elsewhere, since the beginning of the economic crisis in 2008.

Más información

ID de Registro: 41534
Identificador DC: http://oa.upm.es/41534/
Identificador OAI: oai:oa.upm.es:41534
URL Oficial: http://www.trb.org/AnnualMeeting2015/AnnualMeeting2015.aspx
Depositado por: Memoria Investigacion
Depositado el: 26 Jul 2016 13:00
Ultima Modificación: 26 Jul 2016 13:00
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