see https://sumo.dlr.de/docs/Simulation/Rerouter.html#rerouter You could model this with a closingReroute (for the jammed section) and set the rerouter probability to the percentage of drivers that would try to avoid a congested road.
Am Sa., 7. März 2020 um 09:34 Uhr schrieb ing. Massimiliano Petri < [email protected]>: > Dear all, > does anyone know how it is possible to simulate the impact of variables > message signs giving informations about road congestions in following > streets? > Thanks, > Massimiliano > > --- > ------------------------------------------------- > Eng.Massimiliano Petri > > mobile:+39.3929169328 > e-mail: [email protected] > > University of Pisa > University Center 'Logistic Systems' > Via dei Pensieri, 60 > 57128-Livorno > > Il 07-03-2020 00:10 Chedly Bourguiba ha scritto: > > Hi Jakob, > > > > Thank you for your quick response. > > > > We are currently defining the flows for one single time period, for > > one single intersection. We have specified the number of vehicles > > entering an approach (259). The approach has 5 lanes (2 for right > > turns, 2 for thru movements and 1 for the left turn). We have also > > defined the turning probabilities for left, thru and right. > > > > When we run the simulation, however, the output numbers are > > significantly higher for the thru movement lanes than expected (based > > on the number of total vehicles at the approach multiplied by the > > probability for the thru movement). In addition, the right turn > > movements and the left turn movements are close to what they should > > be. Consequently, the total number of vehicles at that approach is > > higher than the number we expect from the flow file. We're struggling > > to understand how this behaviour could be possible. We've checked that > > the flow number in the flow file and the turning probabilities in the > > turns file are correct. > > > > Do you know any possible reasons why this should be happening? Let me > > know if you need any further information to diagnose. > > > > Thanks, > > Chedly > > > > On Thu, Mar 5, 2020 at 10:52 PM Jakob Erdmann <[email protected]> > > wrote: > > > >> Hello, > >> > >> The traffic demand given to SUMO typically does not specify the > >> exact lane sequence. This means individual lanes could see higher > >> flows and other lanes could see lower flow due to lane choice. > >> I would expect the simulated edge flow to be no higher than the > >> defined flow. > >> An exception might happen if vehicles cannot be inserted for some > >> time and then are released into the simulation at a later time, > >> thereby increasing the flow beyond the specified value. > >> Things to check for: > >> - edge flow vs expected flow at different time aggregations > >> - depart delay (trip info), delayed departures per lane (gui > >> coloring style) > >> - departLane definition for your flows > >> > >> regards, > >> Jakob > >> > >> Am Fr., 6. März 2020 um 01:52 Uhr schrieb Chedly Bourguiba > >> <[email protected]>: > >> > >>> Hi, > >>> > >>> I have an intersection where I know the exact vehicle count per > >>> lane and movement per hour (a specific hour). When running sumo, I > >>> define the flow XML file using the vehicle per hour attribute and > >>> then I compare the count I had for the specific hour that I > >>> modeled and some lanes would have a count higher than the value I > >>> used to model the flow. > >>> Do you have any leads/idea where the discrepancy can come from? > >>> Thank you in advance for your help! > >>> > >>> Best, > >>> > >>> Chedly > >>> > >>> _______________________________________________ > >>> sumo-user mailing list > >>> [email protected] > >>> To change your delivery options, retrieve your password, or > >>> unsubscribe from this list, visit > >>> https://www.eclipse.org/mailman/listinfo/sumo-user > >> _______________________________________________ > >> sumo-user mailing list > >> [email protected] > >> To change your delivery options, retrieve your password, or > >> unsubscribe from this list, visit > >> https://www.eclipse.org/mailman/listinfo/sumo-user > > _______________________________________________ > > sumo-user mailing list > > [email protected] > > To unsubscribe from this list, visit > > https://www.eclipse.org/mailman/listinfo/sumo-user > _______________________________________________ > sumo-user mailing list > [email protected] > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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