This is my test city. Pop is about 11.5K. Used 10 tiles in 2 x 5 pattern. Money/Unlock cheat is used. Most of industrial demands are fulfilled with offices except few factories. It took really lots of time to make this one. Many mistakes and failures were there. Yes. It is #16. 15 cities went to hell. But Finally I made somewhat not miserable looking city.
Most of blocks are good for pedestrians. Small blocks are for offices. They do not require much traffic so people can use the nearby crossings.
As you see, it is quite clean traffic.
This is the only problematic part. But only when there is importing cargo ship. Also it goes away in 1 signal cycle. So, not that bad.
This system is quite proven for even big traffic influx. But since I connected everything with paths and subway, it got really less traffic.
People loves the path and subway