Hi Cesar,
the vehicles decide to change lanes if they can still follow their route on
the other lane and if it is advantageous according to the lane change model
configuration within the lookahead distance. It may make a difference
whether there is a traffic light or a priority intersection and impact the
lane change decisions. You can still try to raise the lcSpeedGain parameter
to see some reaction.
Best regards
Mirko
-----Original-Nachricht-----
Betreff: [sumo-user] Issues with the lane change model SL2015 with traffic
lights
Datum: 2023-10-11T18:13:10+0200
Von: "Cesar Leonardo Gonzalez Pinzon via sumo-user" <[email protected]>
An: "[email protected]" <[email protected]>
Hello dear community of sumo,
Actually I am working with a city of 4 intersections and multiple lanes
(three lanes) for each street (edge). There I am testing two scenarios, the
first without traffic lights and second with traffic lights, in both
scenarios I am implementing emergency vehicles with the following
parameters of lane change model SL2015:
<vType id="Car_emergency" length="5.00" minGap="2.50" maxSpeed="16.67"
maxSpeedLat="15.0"
guiShape="passenger" carFollowModel="IDM" laneChangeModel="SL2015"
lcStrategic="-1.0" lcCooperative="-1.0"
lcSpeedGain="1.0" lcKeepRight="0.0" lcOvertakeRight="0.0" lcLookaheadLeft="2.0"
lcSpeedGainRight="0.1"
lcSpeedGainLookahead="5.0" lcAssertive="5.5" lcAccelLat="6.5"
lcMaxDistLatStanding="2.0" accel="0.8"
decel="4.5" sigma="0.0" tau="1.0" departSpeed="desired" />
Without traffic lights the change lane model on emergency vehicles works
well, but with traffic lights the emergency vehicles does not change lane
any time.
This picture is without traffic lights in where the model working well.
And also with traffic lights there is a warning: Lane change model did not
provide a reason for changing
Best regards
Cesar Gonzalez
Doctoral student of Computers Science
Polytechnic university of Valencia
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