One of OsmCha checks is for adding or editing a path so you can get a list of those in Australia with an appropriate BBOX: http://osmcha.mapbox.com/?bbox=113.1%2C-43.7%2C153.7%2C-10.6+&is_suspect=True&is_whitelisted=True&harmful=False&checked=False&reasons=21 Have a look at the filter options for other things you can find.