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Lesson
It is important to obtain accurate information during the design and appraisal stage to help facilitate growth forecasts of traffic volumes. Such information provides a solid groundwork to assess a transport project’s economic viability and efficiency and helps underpin its rationale, scope, and implementation timeframe. Greater consideration on the survey or collection of traffic data is crucial in enhancing the quality of project-level economic analysis

Project Number: 41629-013, 44425-013
Project Name: Bihar State Highways II Project
Report Date:
Lesson
Better estimation of generated traffic based on "with project” and “without project” traffic forecasts help avoid overestimation of vehicle operating cost savings and, hence, overestimation of economic internal rate of returns.

Project Number: 41629-013, 44425-013
Project Name: Bihar State Highways II Project
Report Date:
Lesson
Climate change risks need to be carefully considered in the design of rural infrastructure. There was inadequate integration of disaster and climate change risks into the design of subprojects in the highly vulnerable project provinces. This was highlighted by the collapse of a 450-meter section of the Trieu Dai–Trieu Do commune road (Quang Tri) during severe storms and flooding in 2011.

Project Number: 37097-013
Project Name: Integrated Rural Development Sector Project in the Central Provinces
Report Date:
Lesson
With climate change exerting new and increasing demands on road and bridge networks, future economic analyses for transport projects should take a broader perspective in calculating economic benefits. The economic analysis for this project compared with-project and without-project scenarios to derive its economic benefits. The definition of the with-project scenario assumed time and vehicle operating cost savings from less traffic congestion and improved traffic flow. The benefits from less congestion accounted for 93% of the total net benefits.

Project Number: 43200-024
Project Name: Bridge Replacement for Improved Rural Access Sector Project
Report Date: