ADB亚洲开发银行：2025年道路维护的可持续资金报告（英文版）

This brief examines sustainable funding for operation and maintenance (O&M) of roads through the lens of public financial management (PFM). Various studies have shown that regular and proper road maintenance can extend road life-span reduce future costs of road rehabilitation, and decrease vehicle operating costs. Nevertheless, many countries underfund road maintenance due to budget constraints. This is a recurrent issue that is common across infrastructure projects and is significantly i