Jakob,
I have searched some reference and I have got the relationship between the
free flow and max flow
With your  suggestion, once I get the max flow I could get the free flow
with some simple convert.
The free flow for every edge would be different if I would use the method
you told me?

Best  regards!

Jane


On Mon, Nov 5, 2018 at 9:03 AM Jakob Erdmann <[email protected]> wrote:

> Since the free flow varies with the vehicle parameters (or distribution
> thereof) you will have to re-compute this for your particular vehicle
> fleet. A good approach to reach maximum flow is to insert vehicles on a
> single lane with period 1.0 and departPos="last".
> You can measure vehsPerHour by placing an <inductionLoop> at the end of
> the edge or on the next edge.
>
> regards,
> Jakob
>
> Am Mi., 31. Okt. 2018 um 18:09 Uhr schrieb Jane Cheung <
> [email protected]>:
>
>> Dear all , in one specific scenario, how to calculate the free-flow by
>> using the output files of SUMO?
>> Is there one specific scenario that need to build without congestion
>> during the whole simulation period?
>>
>>
>> Best regards!
>>
>> Jane
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