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Re: [sumo-user] Warnings of Emergency Braking in Sub Lane Model:

Dear Jacob, we had also observed similar warnings for specific values of lateral resolution. 

In the above example, the lateral resolution of  0.64 does not create warnings/teleporting of vehicles (with default lane width).

Similarly, when the lane width is 3.6 meters, the lateral resolution of 0.30 creates warnings and teleporting of vehicles, but the lateral resolution of 0.31 does not. 

We do not understand the reason for this.

We just used trial and error method to select the lateral resolution value that does not create warning / teleporting, . 

Can you share some insight about this behaviour of simulation?



On Thu, Jun 29, 2023 at 6:03 PM Mayank Singh <mayanksingh.daiict@xxxxxxxxx> wrote:
Respected Sir,
In our SUMO simulation, we simulate Heterogeneous traffic using a sub lane model with a lateral resolution of 1.07
The warnings are as below:
Warning: Teleporting vehicle 'mixed.1215'; collision with vehicle 'mixed.1216', lane='beg_1', gap=-4.60', latGap=-0.00, time=736.00 stage=laneChange.
Warning: Vehicle 'mixed.1215' ends teleporting on edge 'end', time=739.00.
Warning: Vehicle 'mixed.1412' performs emergency braking on lane 'beg_2' with decel=9.00, wished=4.34, severity=1.00, time=853.50.
Warning: Vehicle 'mixed.1755' performs emergency braking on lane 'beg_1' with decel=10.00, wished=4.66, severity=1.00, time=1057.00.

I have enclosed my simulation files for your reference.

Please guide me in resolving this issue and advise me accordingly.

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