I think it would be interesting if players could choose their preferred spawn point in the game. Currently, each row has 3 spawns, plus 2 on the sides if the main ones are blocked. If all of them are blocked, you respawn in another row, usually on the opposite side. This can be really annoying for Tier 4 vehicles, since you have to keep moving them around inside the facility.
Non-PVP cars could spawn together (although this might be a disadvantage for smaller players), but maybe a system could be added where, if you’re inside another player’s car, their car becomes semi-transparent or “ghosted.” I know there’s a future gamepass planned where you’ll be able to spawn at your last position (though that only works inside the facility).
As for collisions, it would be great if enemies didn’t have collisions in the Derby Arena. Right now, these players cause bugs or even freezes, since your character goes ragdoll and ends up locking your car. It should work like in the Facility, where players don’t collide with your car and you can drive straight through them. Alternatively, this could be made into a toggleable option, like “Player Collision ON/OFF”, for those who still enjoy running people over.