1) occasional lane-changing at speed 0 is a know issue. However, the
wording of your question is unclear. The function couldChangeLane() by
itself does not trigger any lane changes. It just tells you that a traci
request to change lanes would have succeeded in the previous time step. You
are free to not request lane changes via TraCI at speed 0
2) Sumo uses speeds in m/s everywhere so a value of 80 would be interpreted
as 288km/h. Vehicle speed is likely constrained by road speed (29m/s ~
100km/h) in your case

regards,
Jakob

2018-08-16 6:54 GMT+02:00 himanshu soni <[email protected]>:

> Hello,
> I have doubts related to de-acceleration and couldChangeLane() function,
> the couldChangeLane function changes lane even when the vehicle is
> waiting(speed=0kmph) on the traffic junction(both the left and right lanes
> are empty). So is there a way that I make that stop.
> Also, I have a case for unusual decel, where at one time step I set the
> value of speed=*80kmph* and check for the decel pattern, at the next time
> step the vehicle reduces its speed to *29kmph*
> (Both accel and decel have their default values)
> So, kindly help me understand this.
> Regards
>
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