Re: [sumo-user] Lane Capacity and Queue Length

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Most likely, the configured departSpeed of vehicles prevents additional vehicles from being inserted. It would be unsafe to insert high-speed vehicles close to queued vehicles.

If you set departSpeed="max" or departSpeed="0" the matter should resolve.

The dev-version also supports departSpeed="avg" and departSpeed="last"  which typically achieve higher insertion rate (https://sumo.dlr.de/docs/Simulation/RoadCapacity.html#further_headway_effects)

regards,

Jakob

Am Mo., 17. Jan. 2022 um 14:29 Uhr schrieb Radha Reddy <radha.reddy.ipp@xxxxxxxxx>:

Hello Good Afternoon,

For my simulations, I have utilized a 500m length road, 5m vehicle length, and 5m safe distance. Then the lane capacity is 500/(5+5) = 50vehicles.

I have analyzed the queue length by considering the entire lane for several TLC control mechanisms from 0.05veh/s to 0.4veh/s where the lane saturates. The queue length is not growing beyond 380m, i.e., 38vehicles even at saturation level whatever the TLC mechanism is at 30 and 50Kmph speeds.

I would like to know if there is something limiting the queue length not growing until 500m.

Many thanks in advance.

Regards

Radha

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