Hello ,
I am analyzing a freeway section and trying to implement the ACC and CACC model 
in my simulation. I observed that as the number of vehicles with ACC and CACC 
model increased the capacity of freeways started to decline and it was lower 
than the manual driven vehicles. I have given Tau as 0.6 for CACC vehicles and 
0.9 for ACC vehicles , correspondingly I reduced the simulation step length as 
well to 0.1. I wanted to know two things here how do I implement the reaction 
time for ACC or CACC vehicle say 0.1 sec and should I use the simulation step 
length as 1 and use the action step length for a particular vehicle type to 
improve the speed of simulation. Further why is my capacity decreasing even 
with ACC and CACC modes?

Regards,
V.H.Pradeep
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