Here’s a great map that shows all paved and unpaved (dirt, gravel, etc.) roads in an area. It’s a really useful tool if you need to design a long gravel ride or bikepacking route.
The best way to travel across Victoria when you want to avoid the asphalt and enjoy quiet dirt roads.
How the Great Vic Gravel route was created and alternative routes that you get when you change the route-selection rules.
Questions and answers about the Great Vic Gravel Route and the dataset it was developed from—OpenStreetMap.
An extremely boring description of the methods used to create the Great Vic Gravel Route.