Hi Leandro,
Yes, that is a good decision.
I cannot get the answer that I want from RR-Track. I believe that you have too much of the end semicircle behind the city as grade track. If a quarter of that can be left at the main level height, more space for the city can be created. A road could cross the two lines and disappear at wall and table corner. More scenic items can be added.
If you wish to have a turntable/roundhouse in the future, the yard area could be reworked. You could also added more spurs for engine storage. How you use the layout will tell you if you need any changes.
I will try to convert the track plan to SCARM to enable a better 3D view to demonstrate your layout.
PS: Sorry about the World Cup results. We weren't even there.
