libOpenDRIVE is a C++17 library that parses OpenDRIVE (.xodr) road network definition files and generates 3D mesh models for visualization and simulation. The architecture is a classic object-oriented library with a central OpenDriveMap class that loads an XML file and exposes roads, junctions, lanes, road marks, objects, and signals. Key modules include geometry types (Line, Arc, Spiral, ParamPoly3), cubic spline profiles for elevation and lane offsets, a routing graph based on lane connectivity, and multi-resolution mesh generation with triangle strips. The library is dependency-light, relying only on pugixml for XML parsing and a bundled Fresnel integral implementation for spirals. It provides efficient coordinate transforms, surface point queries, and boundary approximation using Ramer–Douglas–Peucker or bezier decomposition. Tests using Catch2 validate parsing and routing against a real-world test file.