The World Bank developed a series of tools to facilitate the dissemination and use of the Highway Development and Management Model (HDM-4) being distributed by HDMGlobal. The available tools are: (i) Collection of HDM-4 PowerPoint Presentations; and (ii) HDM-4 Version 2 World Bank Case Studies; and (iii) i) World Bank Transport Paper TP-20: Applying the HDM-4 Model to Strategic Planning of Road Works.Roads User Charges Model