Yes. You can use traci to check the number of vehicles that are waiting in
front of a red light. Depending on your network, you may have to search
along multiple lanes until you have covered the relevant distance (e.g.
queue length).

Am Do., 21. Nov. 2019 um 11:24 Uhr schrieb Jane Cheung <
[email protected]>:

>  could I use traci to realize my proposed objects?
>
> On Thu, Nov 21, 2019 at 15:04 Jakob Erdmann <[email protected]> wrote:
>
>> 1)
>> https://sumo.dlr.de/docs/Simulation/Output/Traffic_Lights.html#coupled_lane_area_detectors
>> 2) for historical reasons the summary output refers to vehicles that are
>> waiting for insertion (due to lack of road space) as "waiting". Vehicles
>> that are slowed to a halt are counted as "halting"
>>
>> Am Do., 21. Nov. 2019 um 06:55 Uhr schrieb Jane Cheung <
>> [email protected]>:
>>
>>> Dear all,
>>> I want to get the waiting number  and waiting time of vehicles at
>>> intersections (junction) when traffic lights at red phase. What's the best
>>> way for me to do that?
>>> If my simulation time is 10800s (3hours), and the traffic lights are
>>> actuated ones. How could I know the waiting number and the red phase
>>> duration in each circle of traffic lights??
>>>
>>>
>>> More question, what's the  difference between the meaning of "*halting"*
>>> and the meaning of "*waiting*"?
>>>
>>>
>>>
>>> Any kind response would be appreciated!
>>>
>>> Best regards!
>>>
>>> Jane
>>>
>>>
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