3D Print of Urban Ground

Comparing it to a photo I just made, you might have a higher layer height than mine... I'd say you printed it at 0.2mm; I printed it at 0.16mm (with 0.4 nozzle), adding a few more layers (and taking half an hour longer, too).
And for the part without a sidewalk, there's... wait, let me look it up... "UFAsphaltAll10X10", with some roughness; it seems you used "UFEmpty10X10".
(Otherwise, I think your printer prints better than mine; your sewer grates are more defined than mine ;) , so I can't