Interesting game!
The first stage was pretty fun for a while, but the second stage never seemed to give me any opportunity to steal a faster car, so it was just a slog of creeping along with the slow starter car while nothing else really happened. The second stage is also where I also noticed that the HUD doesn't seem to scale correctly when not in fullscreen, so it wasn't even visible for all of my gameplay up to that point. I also occasionally had an issue where my car and character would just vanish, requiring me to restart the level. Finally, most minor, the seams between road segments often send the car airborne, which I find a little jarring.
Overall, though, the game is admirable. I like the atmosphere, and the concept reminds me of Freeway Fury. I must say, however, the corruption aspect never really came into play for me.