lindsaymorgan

[test.zip](https://github.com/eclipse-sumo/sumo/files/15274610/test.zip) Here is a example scenario. I used Traci to add two stopping vehicles in order to simulate a car accident. Then the overlap happened right after this two vehicles....

https://github.com/eclipse-sumo/sumo/assets/25105493/0b192bf2-abac-44fd-84fd-dc77895947b3 It also shows a strange swing behavior in this scenario.

> looks like a bug. please provide the scenario files. [sublane-example.zip](https://github.com/user-attachments/files/15783142/sublane-example.zip) Here is the scenario files. By the way, I also saw other behavior differences with and without --sublane option....

> I'll look into the bias as well. Thank you so much~

> somewhat unrelated: your simulation will run _much_ faster if you don't try to feed much more vehicles than the network can handle or set option **--max-depart-delay 3**. Otherwise all...