Is there a way to make the drivers a bit smarter? For example, in VISSIM one 
can set the “look ahead distance” to choose the best driving lane well in 
advance. IS there such a parameter in SUMO driving behaviour models?


From: [email protected] [mailto:[email protected]] On 
Behalf Of Jakob Erdmann
Sent: Thursday, 21 November 2019 12:53
To: Sumo project User discussions <[email protected]>
Subject: Re: [sumo-user] Turning cars block the intersections

The most likely cause for this comes from the incoming connections of that edge 
(and possibly the ones before that). If the connections mostly target the right 
lanes then left-turning vehicles that enter this edge will first have to change 
lanes which becomes difficult in dense traffic.

Am Do., 21. Nov. 2019 um 11:40 Uhr schrieb Sasan Amini 
<[email protected]<mailto:[email protected]>>:
Dear all,

I have a relatively large network in which I often face a problem at 
intersections. As you can see in the attached screenshot, left-turning cars 
stop in other lanes where they cannot turn left and stand still blocking the 
way for the through stream. My questions is why would they even select an 
unsuitable lane from the upstream road connection? How can I avoid this? There 
are no cars generated in this link and all vehicles come from other “source” 
links and go to some other “sink” links. I have no internal links and it only 
happen when the traffic volume is big, for small demands this doesn’t happen. 
Is it related to lane changing or rerouting decisions?

Thanks for the help.
Sasan

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