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Re: [sumo-user] Problem (maybe a bug) with parking in a bus stop - SUMO 1.18
> I am not sure but I think that each time a bus is trying to park, and if another bus is already parked, it gets parked behind the already parked bus.

There is code that permits parking in front of an already parking vehicle and a single test to demonstrate the intended behavior: https://sumo.dlr.de/extractTest.php?path=sumo/extended/stops/parking/busstop_stopping_position_assignment_parking
Maybe you can adapt this example to showcase the problematic behavior you observe.

Am Mo., 28. Okt. 2024 um 11:35 Uhr schrieb Mirko Barthauer via sumo-user <sumo-user@xxxxxxxxxxx>:

Hi Manos,

 

this is not intended behaviour but we have seen this happen from time to time in other scenarios. Usually vehicles which do not find free space should stop upstream to let the parking vehicle leave its position. However the arriving vehicle may not brake in time and pass by this position (thus blocking the road)...  Nonetheless by default the bus should find the free space downstream and stop there. If you a "toy" size network where it happens we can still have a look whether we can adapt the logic.

 

Best regards,

Mirko

 

 

 

 

 

-----Original-Nachricht-----

Betreff: [sumo-user] Problem (maybe a bug) with parking in a bus stop - SUMO 1.18

Datum: 2024-10-27T22:23:46+0100

Von: "manos kampitakis via sumo-user" <sumo-user@xxxxxxxxxxx>

An: "Sumo project User discussions" <sumo-user@xxxxxxxxxxx>

 

 

 

Dear SUMO community,
 
I have a circular route, where 6 buses are operating and each bus has to park for some time in a starting bus stop before beginning the next trip. The parking length is 50m and the bus length is 12 meters thus 4 buses can stop simultaneously. In my case, there is an overlap between consecutive buses. This means that every time the bus reaches the starting bus stop it finds another bus waiting there. After 4 buses in total have stopped (not simultaneously) the 5th bus stop finds the previous one stopped there and it gets stuck as if there is no place to park (and the already parked is stuck also after some seconds because it is blocked by the vehicle waiting there to park). If I increase the parking length to 65 meters then the 6th bus gets stuck etc. I am not sure but I think that each time a bus is trying to park, and if another bus is already parked, it gets parked behind the already parked bus. So what happens is that the first bus parks at the first place, then the second bus finds the first bus parked and parks at the second place, then the third bus approaches (the first one has left but the second bus is still at the second parking place) and parks at the third available place until reaching the 4th bus which parks at the 4th parking place. When the 5th bus reaches the starting bus stop only the 4th place is occupied but it seems like trying to park only behind the already parked bus where there is no available space and both vehicles get stuck. Of course if I set the parkingLength to a big number (number of arranged parking stops * bus length) the problem is solved. Is this an intended behavior? Thanks in advance.
 
Best regards,
Manos

 


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