It is definitely a great example, but no one should strive to emulate it.
Hopefully ST3 comes to fruition as there simply aren't many more places to put highways.
There are types of lane and intersection designs which never seem to work well, and I'm surprised that more isn't done to avoid or eliminate them.
Seattle’s congestion is kind a crap-chute because every downtown/SLU employee is basically choked through a bridge in one way or another.
Edit: and no one wants to live south. For whatever reason. And even if you commuted south, seems like it’s about a 50% chance a semi is going to be crashed on that weird median.
The Wednesday after the Viaduct closed, I dropped by a few office buildings, and business after business was operating with only a handful of the usual staff on site. Most of those office employees are only on site daily due to poor management IMO.