i am just a fan of this game.
don't have much idea.
A. You can Try to build
a Roundabout on the mid of your base.
it is worth to try and test for Good traffic.
B. The idea flying drone is cool.
Air Port for a flying drone,
which fly slow, hav a bit small capacity
but don't need Road . is cool.
C. i hope Devs continue the development
and come back to this forum.
it looks No news and version up...
since2019 Oct. i miss you developers...