Managing road networks accessibility to cope with extreme weather condition in developing countries

Amrozi, Mukhammad Rizka Fahmi ORCID: 0000-0001-5731-0307 (2020). Managing road networks accessibility to cope with extreme weather condition in developing countries. University of Birmingham. Ph.D.

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Abstract

It is essential to understand the effects of climate change in the transportation sector because these consequences can lead to severe problems of accessibility and damage to road infrastructure. The effects of climate change reduce access to the road network and cause the deterioration of transport infrastructure. A road asset management regime should ensure that all locations are accessible and connected to the network. Failure to maintain accessibility across the road network hampers social-economic development and increases poverty. The accessibility problem has been addressed by models which, to date, have not explicitly considered the life cycle of the road infrastructure. Therefore, this research develops such a procedure and examines how climate change and extreme weather conditions affect road accessibility.

This research developed an infrastructure-based accessibility model with Indonesia as an example and includes maintenance standards and strategies for managing road assets under extreme weather conditions. The model, which was tested extensively, describes accessibility in terms of availability, quality, and reliability of access. Standards and strategies for Indonesia were evaluated using HDM-4, which is the standard decision support tool for road asset management. It was found that the existing standards are adequate to sustain current levels of accessibility. However, to improve accessibility, the gravel roads must be upgraded into sealed roads, and new roads should also be built. The methodology and conclusions of this research could assist road authorities in managing road infrastructure under budget constraints, and subsequently, support regional development through improved accessibility.

Type of Work:

Thesis (Doctorates > Ph.D.)

Award Type:

Doctorates > Ph.D.

Supervisor(s):