A road transport investment model for developing countries

Bulman, J N; Robinson, Ray

doi:10.1007/978-94-009-9707-3_46

Cited by 4 publications

(4 citation statements)

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“…It was in recognition of the need for research information in transportation development that partly caused the World Bank in 1968 to invite the United Kingdom Transport and Road Research Laboratory (TRRL) to participate in a co-operative research effort to investigate the inter-relationship between road construction costs, vehicle operating costs, and road maintenance costs in developing countries (Bulman and Robinson, 1977).…”

Section: Discussionmentioning

confidence: 99%

“…It is important that decisions about such investments should be made on the basis of best possible information (Bulman, and Robinson, 1977). The economic consequences of building roads to particular geometric and structural standards are inadequately investigated at the project appraisal stage, largely because knowledge of the interaction between the various factors involved is more often than not, very inadequate.…”

Section: The Need For Measuring the Efficiency Of The Road Network Symentioning

confidence: 99%

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The Trunk A Network in Nigeria: The Issues of Connectivity and Accessibility

Owen

2000

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This study concentrated primarily on how the changes in the trunk A transportation network configuration in Nigeria alter both the hierarchy of the network system and the connectivity of the network itself. 2Using the graph theory, the study looked at the network development in Nigeria in 1949Nigeria in , 1961Nigeria in , 1976Nigeria in , and 1982. The period covered in the study spanned from the colonial to the post colonial eras.Road maps of each of these years were the primary sources of data. The maps were translated into abstracted networks and subsequently converted into square matrices, and analyzed. The analysis resulted in the establishment of the network connectivity and the accessibility of individual nodes. After nearly ninety years of network development, the trunk A network system in Nigeria is in transition. It is now moving from elementary into an advanced stage of development. One of the things that is likely to at least slow down the rate of such transformation is the political sub-division of the nation into a smaller constituent units, coupled with lack of political predictability.From most indications, network development is moving away from concentration in relatively few nodes to a system that imposes a grid on the nation. The imposition of such a grid is likely to induce and enhance the interregional linkages and competition. Such phenomenon is indeed healthy in the light of the existing imbalance in terms of responsibilities between the three levels of government. It is also a good approach towards redressing the existing regional disparities as regional integration is very likely to bring about incentives and opportunities for a fair competition. ACKNOWLEDGEMENTS

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Section: Discussionmentioning

confidence: 99%

Section: The Need For Measuring the Efficiency Of The Road Network Symentioning

confidence: 99%

The Trunk A Network in Nigeria: The Issues of Connectivity and Accessibility

Owen

2000

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“…In developing countries, investment in the transport sector continues to represent a large part of national development programs. It is important that decisions about such investments should be made on the basis of best possible information (Bulman, and Robinson, 1977). The economic consequences of building roads to particular geometric and structural standards are inadequately investigated at the project appraisal stage, largely because knowledge of the interaction between the various factors involved is more often than not, very inadequate.…”

Section: The Need For Measuring the Efficiency Of The Road Network Symentioning

confidence: 99%

“…Thus, this situation seriously underscores the need for a comprehensive and or multi-sectoral regional development programs base on a thorough research. (Bulman and Robinson, 1977).…”

mentioning

confidence: 99%