Re: [sumo-user] How vTypeDistribution works

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Vehicles driving on one lane should generally not affect insertion on the other lane.

However, every time vehicle insertion on an edge fails because the edge is full in the insertion location (can easily happen in two consecutive seconds) no further insertions on that edge are attempted (even on other lanes).  You can test whether this is responsible for your observation by setting option --eager-insert (which keeps attempting insertion for each pending vehicle).

That page also describes other options for avoiding insertion failure.

regards,

Jakob

Am So., 26. Sept. 2021 um 17:32 Uhr schrieb Bae, Jong In <jbae42@xxxxxxxxxx>:

Hello,

I have a 2-lane freeway to which the traffic is distributed as following:

Lane0: 1300 ~ 1500 veh/hr (increment by 100 veh/hr in each run)

Lane1: 0 ~ 500 veh/hr (increment by 100 veh/hr in each run)

And I counted the vehicles at the start of the lane for 3600 seconds.

The vehicle count is shown in 'vehicle count.png'.

Lane0_input and Lane1_input are the assigned values in the vehicle definition.

Lane0_observed and Lane1_observed are the vehicle counts from each run.

What I'm having issues with is the following:

1. It seems like Lane0_observed is decreasing as Lane1_input increases. Does this mean that when vehicles are released, the distance to the vehicles in the adjacent lane matters?
2. In Lane0_input: 1500 and Lane1_input: 0 case, Lane0_observed is only 1,427 vehicles. Is this because of the headways from the leading vehicle in lane 0?

Thank you and please let me know if any further clarification is needed!

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