Hello, my own test shows a flow of ~880. If the road after the signal continues at 14m/s, flow drops to 780 If there is a turn after the signal, flow drops even further depending on turning radius. Can you share your scenario?
regards, Jakob Am Do., 10. Sept. 2020 um 19:23 Uhr schrieb Bae, Jong In <jba...@gatech.edu >: > Hello, > > I ran a simple experiment to measure the capacity of a one-lane signalized > exit ramp that is 1500 feet long. > The result came out a lot higher than expected. The capacity came out to > be roughly 1,100 veh/hr. (I was expecting to see around 750~800 veh/hr > since the ramp is signalized). > Is this a typical capacity value in SUMO? I've also included a brief > scenario settings and methodology below. > > The goal was to measure the capacity of a one-lane exit ramp which is 1500 > feet long. > A signal (G:50, R:70) is placed at the end of the exit ramp. A single > vehicle type was used with minGap=2.2 and tau=1. > The speed on the exit ramp is 24.59m/s (approximately 55mph). A few > iterations were done with various traffic flows. > Each iteration was run for 4500 timesteps where the vehicle count of the > last 3600 timesteps was collected (first 900 timesteps were a warm-up > period). > e3detectors were placed right after the signal and 'vehicleSum' was used > to get the vehicle count for the 3600 timesteps. > The maximum count out of all iterations was determined to be the capacity. > > Any help would be greatly appreciated. > > Thank you, > > > > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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