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Evaluating the Effectiveness of Public-Private Partnerships (PPPS) In Enhancing Construction Work: A case study of the Lusaka-Ndola Dual Carriageway Project

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A 52% reduction in per-kilometer cost was noted through PPPs compared to traditional procurement, showcasing significant cost efficiency.
The study revealed a projected 23% reduction in delivery time along with a 23% improvement in construction quality measures.
Multiple regression modeling was used on survey responses from 120 participants representing key sectors involved in the project.
The findings suggest that while PPPs can enhance efficiency and quality, systemic governance issues limit their potential in Zambia.

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Mixed-methods research evaluates the efficiency and quality of PPPs in Zambia's road sector, indicating systemic governance flaws.

Chama et al. (2025) studied this question.

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