Hello,

*My belief*: The lane change mode 512 is supposed to disable all autonomous
lane-changing except for safety-gap enforcement and collision avoidance. So
setting lcSpeedGain=0 or lcStrategic=0 should be pointless, since that is
the same effect achieved by setting lane change mode to 512, since bits 0
through 6 are all set to 0 : do no strategic changes, do no cooperative
changes, do no speed gain changes, do no right drive changes;

*Discovery*: When I set *lcStrategic=0, lcCooperative=0, and lcSpeedGain=0*
on my vType anyway as such:
<vType lcStrategic="0" lcCooperative="0" lcSpeedGain="0" carFollowModel=
"Krauss" color="0,1,0" id="veh" latAlignment="center" lcKeepRight="0"
lcLookaheadLeft="1" lcOvertakeRight="1" lcSpeedGainRight="1" length="5"
sigma="0" speedDev="0" speedFactor="1.0" />
The behaviour seems to have changed drastically.

With an LC mode of 512,
*1. Without setting the 3 lcParams*, it takes 100 vehicles *477s *to reach
the end of a 1000m road with 2 lanes, with a small blockage from (500 -
750m) on one of the lanes.
*2.* *Setting the 3 lcParams, *it takes the same only *262s*

*Doubt:* Am I misunderstanding what autonomous lane-changing means? Or are
the two: lcParams and lane change mode not equivalent in the way I have
mentioned?

Please advise.

Thank you.

Sincerely,
Hriday
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