Hey guys, thanks for the constructive feedbacks! I'll work on the rivers texture to corect that stagnant water feeling, probably by painting lines to represent the flow. For the red and white roofs, it is to differenciate basic buildings (gold) from industrial comercial zones (white) and special buildings (church, arena..). I will also add some colors to the floor to differenciate the main activity: sport, urban, grassland, sport area..
Here's a quick update, the map has a much better resolution than those wip but files are too big for the forum
Click image for larger version. 

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