Yes.
> Stopping at a red light?
There are plenty of countries with heavy traffic and a culture of ignoring any traffic lights that exist, and it works just fine.
Does it?
How do their rates of car crashes compare to countries where people stop at red lights? How does the throughput of their urban roads compare?
Yes.
> Stopping at a red light?
There are plenty of countries with heavy traffic and a culture of ignoring any traffic lights that exist, and it works just fine.