1. Yes. "arrival within the simulation" (i.e. departure) and "arrival at
the end of the trip" are different concepts.
2. departure + tripDuration fully determine arrival time. The tripDuration
depends on the distance but also on speed limits, traffic lights and of
course other vehicles!
3. the distance of the trips (which I assume you mean by 'length') that are
generated by randomTrips depends on many options (among which are
--min-distance and --max-distance) but mainly on the size of the network
and all the options that determine edge probability. In a larger network
you will get longer trips by default.

Am Do., 25. Mai 2023 um 14:24 Uhr schrieb Florian Schnepf <
florian.schnep...@web.de>:

> Hello Jakob,
>
> thanks for your fast response.
>
>    1. So the arrival rate and the value "arrived" from the summary
>    doesn't mean the same? I thought it's the same thing.
>    2. I thought the value "arrived" can be controlled by the option
>    --binomial. So the number of arrived vehicle (value from summary) over time
>    is influenced by when and how many vehicles are departed. What else has an
>    influence? The length of the trips?
>    3. What is the default for the length? Is it also randomized using a
>    distribution?
>
>
>
> *Gesendet:* Donnerstag, 25. Mai 2023 um 12:42 Uhr
> *Von:* "Jakob Erdmann" <namdre.s...@gmail.com>
> *An:* "Sumo project User discussions" <sumo-user@eclipse.org>
> *Betreff:* Re: [sumo-user] Question about randomTrips
> 1. some people use the term "arrival rate" to denote "arrival in the
> scenario" (i.e. thinking of customer arrival rate) and the section title
> was chosen to help these people find what they are looking for.
> 2. by default the number of vehicles departing in the same second is tied
> to the --period option (i.e exactly one vehicle each second for period =
> 1).  With --binomial, the number of departures per second is randomized.
>
> Am Do., 25. Mai 2023 um 11:46 Uhr schrieb Florian Schnepf <
> florian.schnep...@web.de>:
>
>> Hello everyone,
>>
>> I have two questions about this part
>> https://sumo.dlr.de/docs/Tools/Trip.html#traffic_volume_arrival_rate of
>> randomTrips.py.
>>
>>
>>
>>    - I don't understand why arrival rate and insertion rate is the same.
>>
>>
>>
>>    - The second thing is the option --binomial. Without the option, the
>>    arrival rate already looks like a binomial distribution. I cannot see the
>>    influence of the option with different values in the plots.
>>
>> Can someone give me a tip?
>> What does the option do in the background? The insertion rate stays the
>> same, so will the trips be longer with this option?
>>
>>
>> Thanks in advance
>>
>> Regards,
>> Florian
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