== Abstract ==

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Road networks are essential for             economic, social, environmental, and security reasons. Road             networks are therefore considered critical networks             according to the consequences of their disruptions (Tacnet             and Mermet 2012). Flooding poses an important threat to             roads, and can lead to massive obstruction of traffic and             damage to road structures, with possible long-term effects             (Buren and Buma 2012). Flooding leads to significant repair             costs for road control authorities, access difficulties for             emergency services (Versini, Gaume, and Andrieu 2010a), and             disruption for road users and the community at large. The             consequences for businesses and the economy in general can             be very significant (Brabhaharan, Wiles, and Frietag 2006).             Because of the time and costs required for rebuilding,             sustainable and long-term planning is crucial; therefore,             the consideration of flood risk constitutes an important             input for decision making in planning this type of             infrastructure. Flood risk analysis for road networks allows             plans to be carried out in an appropriate manner, allocating             resources for prevention, mitigation, and restoration             (Balijepalli and Oppong 2014; Jenelius and Mattsson 2014).             This report summarizes the main concepts and methodologies             that are used to assess flood risk for road networks. The             report presents references and examples, and is intended to             be a starting point for practitioners in the field.

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== Original document ==

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The different versions of the original document can be found in:

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* [http://hdl.handle.net/10986/22980 http://hdl.handle.net/10986/22980] under the license http://creativecommons.org/licenses/by/3.0/igo/

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