Pastorale + surrounding : sorry to contradict but the surface here is not sett but paving stones (Interlocking paving stones made of concrete) see : https://wiki.openstreetmap.org/wiki/Tag:surface%3Dpaving_stones

It's more for precision than routing issue as most router use same "cost" for both value

https://www.mapillary.com/app/?pKey=462702053182151