I used to wonder about this often, and many years ago wrote simulations to model traffic. The introduction of connected on/off ramps were the main cause of con

I used to wonder about this often, and many years ago wrote simulations to model traffic. The introduction of connected on/off ramps were the main cause of congestion due to acceleration, merging, etc. Exit before/ merge after we much better than exit after/merge before. SV has many of these congestion building ramp strategies.