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Q-MOKA: A QGIS-Based Application for Managing and Analyzing Traffic Accidents

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Q-MOKA: A QGIS-Based Application for Managing and Analyzing Traffic Accidents
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156
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CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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The presentation will discuss Q-MOKA, a GIS application developed in collaboration with the Hellenic Ministry of Infrastructure and Transportation to manage and analyze traffic accidents along the Greek Primary and Transeuropean Road Network. Q-MOKA addresses the challenges of the existing Traffic Accident Registry, which lacked geospatial referencing and robust data validation. Built around QGIS and Postgres/PostGIS, Q-MOKA offers several key functionalities: * Network Model: Supports multiple linear referencing systems for accurate accident location representation. * Dual-Carriageway Management: Ensures consistent linear referencing even during network realignments. * Flexible Accident Location: Records accidents by X,Y coordinates or route/offset, maintaining synchronization between the two methods. * Linear and Point Data Management: Allows creation and editing of additional linear and point event data relevant to the Agency (e.g., number of lanes, speed limits). * Geographic Mapping: Provides route-level accident mapping based on the recording service. * Custom QGIS Forms: Facilitates data entry and management through user-friendly forms. The presentation will delve into the technical aspects of Q-MOKA, including its database structure, configuration options, and potential future enhancements. By offering a robust and user-friendly platform for traffic accident management and analysis, Q-MOKA contributes to improved road safety and informed decision-making in Greece.
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