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Re: [sumo-user] Bidirectional lane and collision for overlapped edges

The special traffic light layout "alternateOneWay" works without opposite direction driving. Each direction is still driving on their own edge. You just get the traffic effect of alternating access. If you need the optics as well, I would recommend putting the geometries on top of each other. That won't give you collision detection but due to the traffic light there should not be any collisions anyway.

Am Mi., 30. Sept. 2020 um 16:30 Uhr schrieb Thodoris Zerlentis <zerlentis@xxxxxxxx>:
Thank you for the respone Jacob,

So if i understand correct the best way is to enable opposite Direction Driving-overtaking with the defining of a traffic light in order to control the access of the buffer lane by only one direction at a time? Is there any limitations with the opposite direction driving method?

Best regards,
Thodoris Zerlentis



From: sumo-user-bounces@xxxxxxxxxxx <sumo-user-bounces@xxxxxxxxxxx> on behalf of Jakob Erdmann <namdre.sumo@xxxxxxxxx>
Sent: Tuesday, September 29, 2020 8:30 AM
To: Sumo project User discussions <sumo-user@xxxxxxxxxxx>
Subject: Re: [sumo-user] Bidirectional lane and collision for overlapped edges
 
The best way is to define a joint traffic light controller at both ends of the bidirectional section with layout="alternateOneWay". It will ensure that only one direction has access at a time. See


Am Mo., 28. Sept. 2020 um 22:39 Uhr schrieb Thodoris Zerlentis <zerlentis@xxxxxxxx>:
Greetings,
I am currently trying to model a bidiractional lane where cars in both directions are able to move in a specific lane. I read in the forums that there are two available ways:
The first one uses the opposite-direction overtaking. My main problem with this method is that i am not sure if there is a way to Disallow cars from one direction to move on the bidiractional lane. The goal of such lane is that only one direction moving cars can access it each time (defined by conditions) and after that when the time comes it will open for the other direction moving cars again disallowing the reverse to access it.
The second way that i am currently modelling is the overlapped lane where one lane is overlapped on top of the other in order to simulate the bidirectional lane. The problem with this method is that sumo can't identify collisions in the overlapped lanes and the cars moves into each other without producing any warning.
So i would like to ask which one is the best way to model such a problem and for the second way is there any way or option to toggle sumo for collision even if there is overlapped edges or lanes?

Best regards,
Theodore Zerlentis
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