OSM .. a wide product range.
OSM has a large number of 'products' available.
The OSM data base has the capability of storing the road properties of
- maximum speed
- surface type (paved, unpaved, concrete, asphalt, grass, dirt, sand etc)
- number of lanes
as well as features such as fords (and many others). They may be added or edited by anyone, anywhere ... the only requirement is that the data complies with the OSM terms (easiest if free of copy write). I have no idea if OSM Moroccan data has that level of detail, I suspect some of it does and other bits don't. And even when entered .. some of it will be out of data.
The smart phone product Osmand (now available for both android and Iphone) will display paved/unpaved .. even distinguishes between asphalt and concrete! And it has a routing option to avoid unpaved roads.
Summary
OSM is many things. It is capable of doing a great many things too, if the data has been entered into the data base AND if it is used by the end product.
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Been updating some OSM data .. places where I've been had dirt roads .. but now are paved as seen by the satellite view. The last time I was out that way there was a new mine .. suspect that is the source of the paving ... cheaper for them to pave the road rather than repair the trucks/trailers and they get to use it when wet!
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