(World Bank)
Assesses the viability of road projects.
This guide provides an overview for using HDM-4 (Highway Development and Management System) hdm-4 software
For an agency managing 10,000+ km of roads, the question is not "which road project is good?" but "which 20 projects across the network yield the best aggregate outcome?" HDM-4 uses and budget optimization to sequence M&R activities over a 10- to 20-year planning horizon. It can answer:
| Advantage | Description | |-----------|-------------| | | Based on decades of field data from multiple countries | | Comprehensive | Integrates engineering, economics, environment, safety | | Flexible | User-definable vehicle fleets, maintenance standards, climate zones | | Standardized | Accepted by development banks and national road agencies worldwide | | Transparent | Open model structure (not black-box) | (World Bank) Assesses the viability of road projects
Implementing HDM-4 offers significant advantages for transportation authorities and planners:
Roads degrade over time due to traffic loading, structural designs, and environmental factors. HDM-4 models various pavement distresses, including: Cracking (structural and environmental) Rutting (permanent deformation in wheel paths) This is the most detailed level, used for
Road networks are the economic arteries of modern society. Maintaining these assets requires data-driven precision, strategic budgeting, and long-term vision. For decades, the software has served as the global gold standard for evaluating road infrastructure investments.
This is the most detailed level, used for comparing specific interventions on a particular road section. It conducts a full , simulating deterioration, maintenance effects, and user costs over 20–40 years.
is a powerful decision-making tool designed by the World Bank to evaluate the technical, economic, and social feasibility of road development projects, maintenance planning, and investment strategies. As the global standard for road management systems, it acts as a comprehensive analytical framework for transportation authorities, enabling data-driven decisions that balance infrastructure quality with budgetary constraints.
When procuring or training on HDM-4 software, modern versions (v2.0 and above) offer specific high-value features: