Hello,
the detector count of nVehEntered includes vehicles that changed their lane
while on the detector (and thus may have registered on both detectors).
The correct comparison would be between edgeData-entered and
e1Detector-nVehContrib.

regards,
Jakob



Am Do., 2. Sept. 2021 um 01:56 Uhr schrieb Jaime Moya <[email protected]>:

> Hi,
> I've recently started using SUMO 1.9.2. I'm counting vehicles that travel
> across a highway section (composed of several edges). To do this, I'm using
> intermediate edge counts ("entered" value) and detectors (the sum for all
> lanes of "nVehEntered" value). The detectors are placed near the start of
> the edges, so the counting position is almost the same.
>
> The counts obtained from detectors are always bigger than those obtained
> using edge values, especially when the number of lane changes is high. What
> may be the cause of this? Is the edge value "entered" not counting the
> vehicles that enter an edge by a lane change?
>
> Thank you and best regards,
>
> ---
> Jaime Moya Aguad
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