Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Map-ity Free.
Map-ity allows you to use any real world locations by providing access to Open Street Map data.
Links:Website | User Manual | Documentation | Forum | Videos
Use it to get a lists of roads, waterways and buildings to use in your scene! You can even break down the data into different classifications such as:
– Motorway (primrary or secondary road)
– Canal or river
Compatible with WorldComposer.
Compatible with BuildR – Building Generator. – Sample package included.
Compatible with SuperSplines
– Custom Inspector.
– Works at Runtime or in Editor.
– Supports Unity 2D.
– Download the map data for your current location on mobile devices, or use a previously saved file.
– Get lists of: Roads, waterways, buildings, relations ( e.g. Bus Routes )
– Gets the height of locations using satelite topography
– Render Gizmos showing the map in editor.
– Event driven.
Does not support WebPlayer or WebGL.
Downloading map data requires an internet connection.
Querying height data requires a free GeoNames.org account.