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Simplifying OpenStreetMap Data: Reducing Multi-Lane Streets to Single Lanes
Abstract:
<p>OpenStreetMap (OSM) serves as an invaluable platform, providing a comprehensive and finely-detailed vector data representation of global street networks. Its open-access nature renders it an indispensable resource for a diverse spectrum of worldwide projects and research endeavors. Nonetheless, the intricate level of detail and granularity inherent in OSM's street network data can pose challenges in specific applications. Consequently, various research initiatives have arisen, devising techniques and methodologies for the simplification of OSM data. Within this context, our research is dedicated to the simplification process, specifically targeting the reduction of multi-lane streets to single-lane representations. This resulting streamlined network structure holds particular significance in the realm of active transportation modeling within urban environments, facilitating endeavors such as pedestrian walkability modeling, pedestrian volume estimation, and the enhancement of bicycle and pedestrian safety. The implementation of this network simplification entails the manipulation of OSM data to attain a more straightforward network configuration, where each street is singularly represented by a single lane. The central challenges of this process involve the identification of multi-lane streets and their consolidation into single-lane counterparts while preserving network continuity and topological integrity. Our model's performance underwent evaluation across a diverse spectrum of urban settings, including areas varying in complexity, spanning geographical locations across the United States, Canada, and Italy. Our research underscores the efficacy of our approach in simplifying OSM data and extends the utility of our findings by providing an open-source tool for the benefit of fellow researchers and practitioners in analogous domains.</p>
Keywords: OpenStreetMap, Data simplification, Active Transportation
Authors:
Achituv Cohen, SPAR lab, Geography Department, UCSB; Submitting Author / Primary Presenter
Trisalyn Nelson, SPAR lab, Geography Department, UCSB; Co-Author (this author will not present)
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Simplifying OpenStreetMap Data: Reducing Multi-Lane Streets to Single Lanes
Category
In-Person Paper Abstract