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Traffic flow may be one or two way and vehicles are able to cross between traffic lanes freely. Road Connector - An artificial line used to create a crossroad (eg 3 way or more) intersection at a central node of all roads associated with the entry and exit from a roundabout. This is used to maintain network connectivity, path analysis and cartographic generalisation through scales. See Section 3 for more details. (Source - http://www.ga.gov.au/mapspecs/topographic/v6/appendixA_files/RoadTransport.html). NOTE - This layer only displays between the National Scale and 1:7,050,000 scale to avoid clutter at the national scale (approx 1:36,000,000). 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