– Create a "Works Program" linking treatments to trigger conditions (e.g., “If IRI > 5 m/km, apply thin overlay”).
– Enter road ID, geometry, surface type, and initial IRI.
– Specify the discount rate and analysis period. Run the comparison of strategies. The software produces tables of NPV, EIRR, and benefit-cost ratios. hdm-4 software
However, HDM-III had limitations: it was DOS-based, lacked a graphical user interface, and struggled with modern pavement materials.
Short for the , this software is the global gold standard for road management, investment appraisal, and economic analysis. Unlike basic spreadsheet models, HDM-4 simulates the physical, economic, and environmental consequences of road usage over the lifecycle of a pavement. – Create a "Works Program" linking treatments to
– Set up a new database and create a "section" (a homogeneous road segment, e.g., km 0–5.5).
In the world of infrastructure asset management, few decisions are as capital-intensive—or as politically sensitive—as the maintenance and rehabilitation of road networks. For decades, engineers and economists have struggled with a single, crucial question: Given a limited budget, which roads should we fix, when, and using which technique to maximize economic returns? Run the comparison of strategies
– Build a vehicle fleet. HDM-4 has a default library (World Bank standard 16 vehicle classes), but you can define custom classes.