Drainage systems are the unsung heroes of the UK’s highways network. Managing rainwater effectively is critical to maintaining safe and efficient roads, preventing flooding, and reducing long-term maintenance costs. National Highways has long recognised the importance of robust drainage asset management, with the legacy Drainage Data Management System (DDMS) serving as the backbone for decades. However, the transition from DDMS to GDMS (Geotechnical Drainage Management System) marks a significant step forward, embracing innovation and tackling…
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