Road centerlines represent the estimated centerline of a real world roadway. GIS road centerline arc-node topology is associated with attribute data containing information on street names, address ranges, jurisdictional boundaries and other attributes. The Road Centerline layer is an integral part of any public safety GIS due to its versatility and use for: Querying and geocoding of civic addresses based on dual address rangesTactical map displayMap and attribute viewingMap productionLocation and driving directionsIntegration of network topology to allow vehicle routing, drive time analysisIntegration of spatially related attributes for advanced applications including those focused on public safety, assets management, planning, utilities and public works.