Managing the national road network maintenance in Spain

Victor Gomez Frias and Teresa Sánchez Chaparro
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Victor Gomez Frias: CRG - Centre de recherche en gestion - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - CNRS - Centre National de la Recherche Scientifique
Teresa Sánchez Chaparro: ANECA - Agencia Nacional de Evaluación de la Calidad y Acreditación (ANECA) - Agencia Nacional de Evaluación de la Calidad y Acreditación

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Abstract: The Spanish Ministry of Public Works manages the National Road Network, which consists in 27,000 km. In 1992, the average age of pavements was 7.2 years, whereas at present it has increased to 9 years. The great heterogeneity of pavements, the constant increase in the network length and its gradual aging demand important budgets but also agile technical, economic and administrative management models. The Subdirectorate of Maintenance and Operation is responsible of management systems for this network, now helped by the engineering consultancy GETINSA. This communication shows the actual state of the pavement management that consists in an Integrated Database System comprising many parameters both about technical values and administrative follow-up of actions. It is connected to various pavement evolution models that allow managers to predict the future state of the roads, then to establish a maintenance policy. Finally, the Management System calculates a maintenance plan, detailing actions to be done in each section in a multi-year scenario, so that the investment and the road quality are optimised. The Management System software combines analytical formula with geographical information, used for representing results as well as part of the forecast and optimisation models, using the modern technology of "dynamic segments". Attention has been paid to conciliate the operational organisation of maintenance works with the fact that optimal needs are detailed for each road section in too short distances to be executed separately. The communication starts analysing other existing Pavement Management Systems, then describes the Spanish situation and justifies which Pavement Management System is needed. The body of the text covers the description of the functionalities and design assumptions of the new System. Finally, the conclusions present some future evolutions for the Spanish Management Systems and the possibility to generalise its use to other road networks, either for pavement or other assets.

Date: 2008-10-06
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Published in European Transport Conference 2008. Seminar "Roads Policy, Delivery & Operation", Oct 2008, Amsterdam, Netherlands

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