Quite the interesting concept! I like the goofy nature of this world you've set up, along with the goofy gameplay mechanic of controlling multiple cars simultaneously, all with their own strategic purposes. Trying to play the game cross-eyed keeping track of all the cars and the chaos going on was quite amusing and challenging!
I'm a little conflicted on the execution though. Part of me thinks that I just need to accept the fact that failure is inevitable and that's it's just seeing how long you can prolong that inevitability: the deck is intentionally stacked against you and there's no real way to 'get good' at it. But another part of me feels like maybe there should be some way to win, like maybe the game could have a series of levels that escalate in difficulty, in terms of how many vehicles you're controlling, how long you need to survive, how large the part of the city you're covering for that day is, etc. Like you're the new mayor and you're trying to help your city survive long enough by manually controlling the cars until the programmers patch the AI bug for the vehicles. That might be a bit more satisfying to play and progress through, and allow people to get better at experiencing this very interesting world you've constructed. At it is, though, it's still a very interesting prototype that could be iterated and expanded upon.