I can only give you very general advice on this:
- observe the simulation in sumo-gui and figure out why the traffic slows
down (likely jamming due to a network/traffic-light problem)
- check the number of vehicles that are waiting to be inserted into the
network (network property window). If this number is growing you have a
problem (network cannot keep up with the traffic demand)

2016-03-02 19:50 GMT+01:00 Nguyen Nguyen <[email protected]>:

> Dear All,
> I have been using randomTrips, calibrator and sensor information to try to
> generate the simulation.  I also perform checking vehicle counts and speed
> read by those sensors. I computed the average vehicle counts and speed and
> plot them versus the real information from sensors. However, for vehicle
> counts, the SUMO result matches the real counts in the first initial period
> and then starts to decrease. Moreover, for vehicle speeds, the SUMO speed
> information read by sensors are quite low, roughly half the real speed. Is
> there anyway that I should do to debug this?
> Thank you so much.
> Best regards,Tran
>
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