Re: [sumo-user] Lane hopping and emergency braking at zipper

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Technically, there should never be a lane-end warning if the zipper connections are set up correctly. It's hard to tell what's going on without observng running traci code.

Please put together a minimal example that triggers the error message a package the scenario files together with a traci-traceFile: https://sumo.sourceforge.net/docs/TraCI/Interfacing_TraCI_from_Python.html#generating_a_log_of_all_traci_commands

Am So., 29. Jan. 2023 um 02:06 Uhr schrieb Jordan Poots <jordan.poots@xxxxxxxxxxx>:

Hello,

I am using a zipper lane driven by TraCI controlled vehicles. This zipper lane reduces three lanes to two. The lane changes are continuous. The TraCI vehicles can merge at any point on the zipper lane or simply follow the lane and merge as it ends. Once the vehicles have merged, control of them is returned to SUMO.

I find when vehicles choose to change lanes late on the zipper lane, they have two problems.

1. Occasionally, they will emergency brake. I receive an error message about the lane ending. I assume this is in reference to either the to or from lane ending as the moving vehicle moves onto the zipper junction during the lane change. 
2. They occaisonally cross two lanes instead of the intended one and thus end up on the left lane on the reduced side instead of the right.
   

How might I configure my setup to avoid these issues?

Thanks,

Jordan

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