Re: [sumo-user] The number of vehicles in each lane varies greatly

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

The distribution among the lanes emerges from traffic density and the deviation of desired speeds among the fleet.

There is no direct parameter for adjusting the proportions but there are several vType parameters that affect it:

- speedDev: deviation of desired speed within the fleet

- lcKeepRight (how quickly vehicles return to the right lane after overtaking)

- lcSpeedGain (how eager vehicles are to change to a faster lane)

- lcSpeedGainLookahead (how much foresight vehicles have for overtaking slow leaders)

When trying to model real fleets there are likely some correlations between the calibrated parameter values for individual drivers:

Vehicles with a high desired speed (high individual speedFactor) should probably get a lcSpeedGainLookahead value of ~5 rather than the default of 0 to make them stay in the left lane more often.

regards,

Jakob

Am Mi., 15. Sept. 2021 um 05:26 Uhr schrieb q kevin <kevinqkl@xxxxxxxxxxx>:

hello everyone,

For a 3-lane edge, why do vehicles basically drive from the rightmost lane by default? Can sumo make the number of vehicles in each lane similar？Can the proportion of the number of lanes be adjusted?

yours sincerely

kevin

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