Simplifying OpenStreetMap Data: Reducing Multi-Lane Streets to Single Lanes

on YouTube ↗12m

" summary

A Python pipeline using OSMnx Python package reads OSM, drops unnamed segments and service roads, computes bearing, clusters collinear lanes, buffers and unions lane polygons, extracts centerlines and reconnects topology, and postprocesses roundabouts. Tested on Turin and Victoria, the tool typically reduces 20 parallel lane segments to a single representative centerline while preserving intersections so walkability models run on a much smaller, connected network. Code and Turin outputs are on GitHub.

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" chapters (6)

1. 0:00Introduction
2. 0:45Problem Statement
3. 4:12Model
4. 5:20Classification
5. 7:00Conversion
6. 8:50Results

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