Re: [sumo-user] Differences between Edge Vehicle counts and Detector Veh

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

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 <eljaimo@xxxxxxxxx>:

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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