Saturation is due to reaching the limit of insertion capacity.
An easy way to increase this is by adding more lanes and setting
departLane="best" (or "random" or "free") but there are many other settings
that influence this capacity.
See
Hello,
I have used the flow defined using Poisson distribution.
I wanted to find the *no. of continuous* vehicles that are injected within
the time <=4s, we call it the burst.
Various average rates are tested and above 0.05veh/s, the no. of continuous
vehicles is saturated at 10vehicles (figure