Building a Road Network from OSM: Roads, Segments, and Directed Edges
A practical look at how a routing graph emerges from OSM nodes and ways
Topic
Road Network
A collection of 5 issues
Building a Routing Graph from OSM: Transition Constraints and Path Constraints
Why a road network needs explicit constraints, not just nodes and edges
Road Networks Are Execution Models, Not Stored Geometry
On semantics, projection, and the architectural difference between stored geometry and executable movement constraints
OpenStreetMap Is Not a Routing Model And Treating It Like One Is Expensive
The structural misalignment between OSM’s flexibility and the deterministic demands of production routing systems.
Road Networks Explained: Turning Geography into a Navigable Graph
How Graph Models and Routing Rules Shape Navigation, Logistics, and Urban Mobility