Hello, by default the lane changing algorithm uses very strict safety gaps and the vehicles perform precise cooperative speed adjustments to achieve these gaps. By setting a lower value for lcCooperative these adjustments fail and lane-changing efficiency drops dramatically.
You have two options 1) set vType attribute lcCooperativeSpeed="1" (the lowered value of lcCooperative will still reduce cooperative lane changing but the speed adjustments take place as needed 2) set vType attribute lcAssertive="1.5". This lets vehicles change lanes more aggressively (with reduced gap requirements). Of course you can use a distribution rather than a fixed value here. General notes: - your scenario exposed a novel bug https://github.com/eclipse/sumo/issues/7786 (now fixed) which was causing "emergency braking" warnings for freshly inserted vehicles. The warnings aren't critical but if you want to get rid of the noise, upgrade to the development version tomorrow - your scenario does not achieve the configured flow rate due to the setting departSpeed="random". Whenever a slow vehicle is inserted, the flow is reduced. See https://sumo.dlr.de/docs/Simulation/VehicleInsertion.html#investigating_insertion_delay regards, Jakob Am Fr., 13. Nov. 2020 um 10:48 Uhr schrieb VictorKyriacou < [email protected]>: > I attached the whole scenario. > > Sumo.zip > <http://sumo-user-mailing-list.90755.n8.nabble.com/file/t516/Sumo.zip> > > > > -- > Sent from: http://sumo-user-mailing-list.90755.n8.nabble.com/ > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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