Unless they've changed - Not Likely -
1. The heaviest vehicle has the right of way.
2. Party Members have the right of way.
3. If you're in a hurry you have the right of way.
The scene where the bus knocked the car into the intersection and then kept going - Probably a Party member bus driver that was running late.
The drivers license test is: You can buy a car....
Too much traffic? Drive on the sidewalk. Your car outweighs any pedestrian - so - You have the right away.
Pretty simple rules
China is the only place that I've ever been where you MUST look both ways before stepping out of a building onto a sidewalk. But I'll bet there are others.