Cambodia: Geospatial Analysis for Resilient Road Accessibility for Human Development and Logistic Supply
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Washington, DC: World Bank
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The primary purpose of this report is
to introduce a practical framework to assist the Ministry of
Rural Development (MRD) of Cambodia to prioritize its
investment and interventions for rural roads in order to
achieve climate resilient rural accessibility for poverty
reduction, human development, and logistic supply. The
framework is based on two core geospatial models, namely the
flood disruption model and the logistic supply chain model,
to collectively identify the most critical and climate
vulnerable road sections for prioritized interventions. The
flood disruption model simulates the impact of flood
disruptions to different rural roads under a 50-year flood
scenario and identifies roads where the accessibility loss
after flooding results in most damaging impact for rural
communities to reach schools, hospitals, job opportunities,
and for agriculture products to reach nearby markets. The
logistic supply chain model simulates the disruption of
Cambodia’s nodes and links and models how supply chain flows
get rerouted or blocked, which leads to increase of product
prices and shortage of product availability. It quantifies
the relative importance of each logistics corridors as well
as their rural feeder roads. Combining two models, the
proposed framework enables MRD to deploy its limited
resources to rural roads that matter the most. Section 1
gives introduction. Section 2 provides the basic context of
Cambodia’s rural road network and the challenge imposed by
climate change to rural road investment planning. Section 3
introduces the proposed prioritization framework and how it
could assist better prioritization at MRD in practice.
Section 4 elaborates how two underpinning geospatial models
work, including the data, assumptions, and limitations of
each model. Section 5 illustrates key results when the
proposed prioritization is applied to Cambodia’s rural
communes and recommends an indicative list of prioritized
rural roads for illustration purpose. Section 6 provides a
summary of the main recommendations, next steps for
practitioners, and concluding remarks.
Palabras clave
CLIMATE CHANGE, RURAL ROADS (RR), CLIMATE CHANGE ADAPTATION, FLOOD CONTROL, LOGISTICS HUBS AND PLATFORMS, CLIMATE ACTION, SDG 13, NO POVERTY, SDG 1