Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks

This study provides the first global evaluation of both direct and indirect flood hazard impacts on road transportation networks. It constructs topological road networks for 2,564 human settlements, representing over 14 million kilometers of urban...

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Main Authors:	He, Yiyi, Rentschler, Jun, Avner, Paolo, Gao, Jianxi, Yue, Xiangyu, Radke, John
Format:	Working Paper
Language:	English
Published:	World Bank, Washington, DC 2022
Subjects:	URBAN DISASTER RISK ROAD TRANSPORTATION RISKS FLOOD HAZARD IMPACTS VULNERABLE INFRASTRUCTURE ROAD FLOODING FLOOD HAZARD EXPOSURE URBAN ROADS FLOOD IMPACT NATURAL DISASTER RESILIENT ROAD NETWORK
Online Access:	http://documents.worldbank.org/curated/en/099552305172228687/IDU0e38cb88d018d704a8e08a220c09ce9f1be91 http://hdl.handle.net/10986/37452

id	okr-10986-37452
recordtype	oai_dc
spelling	okr-10986-374522022-05-19T05:10:36Z Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks He, Yiyi Rentschler, Jun Avner, Paolo Gao, Jianxi Yue, Xiangyu Radke, John URBAN DISASTER RISK ROAD TRANSPORTATION RISKS FLOOD HAZARD IMPACTS VULNERABLE INFRASTRUCTURE ROAD FLOODING FLOOD HAZARD EXPOSURE URBAN ROADS FLOOD IMPACT NATURAL DISASTER RESILIENT ROAD NETWORK This study provides the first global evaluation of both direct and indirect flood hazard impacts on road transportation networks. It constructs topological road networks for 2,564 human settlements, representing over 14 million kilometers of urban roads. It assesses their exposure to pluvial and fluvial flood risks under 10 scenarios, corresponding to different flood intensities (1:5 year to 1:1,000 year return periods). Under each scenario, the study analyzes direct infrastructure exposure and assesses the indirect effects of flood-induced mobility disruptions: route failures, travel delays, and travel distance increases. The results document a positive relationship between flood return period and flood impact (both direct and indirect). Compared with direct flood hazard exposure, the indirect impact of floods on mobility is more prominent and heterogeneous. The average share of the road network that is flooded by at least 0.3 meters is 3.64 percent (or 24.84 percent) under the 5-year (or 1,000-year) return period, yet 11.58 percent (or 65.67 percent) of the simulated trips fail in the same scenario. The results enable comparisons of exposure and vulnerability of road networks to flood hazards across countries, allowing the identification and prioritization of urban transport resilience measures. 2022-05-18T18:25:48Z 2022-05-18T18:25:48Z 2022-05 Working Paper http://documents.worldbank.org/curated/en/099552305172228687/IDU0e38cb88d018d704a8e08a220c09ce9f1be91 http://hdl.handle.net/10986/37452 English Policy Research Working Papers;10049 CC BY 3.0 IGO http://creativecommons.org/licenses/by/3.0/igo World Bank World Bank, Washington, DC Policy Research Working Paper Publications & Research
repository_type	Digital Repository
institution_category	Foreign Institution
institution	Digital Repositories
building	World Bank Open Knowledge Repository
collection	World Bank
language	English
topic	URBAN DISASTER RISK ROAD TRANSPORTATION RISKS FLOOD HAZARD IMPACTS VULNERABLE INFRASTRUCTURE ROAD FLOODING FLOOD HAZARD EXPOSURE URBAN ROADS FLOOD IMPACT NATURAL DISASTER RESILIENT ROAD NETWORK
spellingShingle	URBAN DISASTER RISK ROAD TRANSPORTATION RISKS FLOOD HAZARD IMPACTS VULNERABLE INFRASTRUCTURE ROAD FLOODING FLOOD HAZARD EXPOSURE URBAN ROADS FLOOD IMPACT NATURAL DISASTER RESILIENT ROAD NETWORK He, Yiyi Rentschler, Jun Avner, Paolo Gao, Jianxi Yue, Xiangyu Radke, John Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
relation	Policy Research Working Papers;10049
description	This study provides the first global evaluation of both direct and indirect flood hazard impacts on road transportation networks. It constructs topological road networks for 2,564 human settlements, representing over 14 million kilometers of urban roads. It assesses their exposure to pluvial and fluvial flood risks under 10 scenarios, corresponding to different flood intensities (1:5 year to 1:1,000 year return periods). Under each scenario, the study analyzes direct infrastructure exposure and assesses the indirect effects of flood-induced mobility disruptions: route failures, travel delays, and travel distance increases. The results document a positive relationship between flood return period and flood impact (both direct and indirect). Compared with direct flood hazard exposure, the indirect impact of floods on mobility is more prominent and heterogeneous. The average share of the road network that is flooded by at least 0.3 meters is 3.64 percent (or 24.84 percent) under the 5-year (or 1,000-year) return period, yet 11.58 percent (or 65.67 percent) of the simulated trips fail in the same scenario. The results enable comparisons of exposure and vulnerability of road networks to flood hazards across countries, allowing the identification and prioritization of urban transport resilience measures.
format	Working Paper
author	He, Yiyi Rentschler, Jun Avner, Paolo Gao, Jianxi Yue, Xiangyu Radke, John
author_facet	He, Yiyi Rentschler, Jun Avner, Paolo Gao, Jianxi Yue, Xiangyu Radke, John
author_sort	He, Yiyi
title	Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
title_short	Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
title_full	Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
title_fullStr	Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
title_full_unstemmed	Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks
title_sort	mobility and resilience : a global assessment of flood impacts on road transportation networks
publisher	World Bank, Washington, DC
publishDate	2022
url	http://documents.worldbank.org/curated/en/099552305172228687/IDU0e38cb88d018d704a8e08a220c09ce9f1be91 http://hdl.handle.net/10986/37452
_version_	1764487183056502784

Mobility and Resilience : A Global Assessment of Flood Impacts on Road Transportation Networks

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