My feedback based on my time with the mod:
The Good
Greatly expands the game.
Promising map expansions.
The Bad
Tons of "scenes" across the map, extremely confusing. Would like to see a "scene-less" version.
Lights on every emergency vehicle (there are tons of them spawned) are on when you spawn, causing a chaotic nightmare to clean up.
There is an un-countable number of emergency vehicles and peds spawned by default. It's overwhelming in every way.
Verdict
It's a great mod that is unplayable currently due to the massive amount of clutter on the map. If this is fixed, 10/10 mod.