Dear VISSIM experts,
I hope this message finds you well.
I have a question regarding the deviation of vehicle spacing in VISSIM when applying heterogeneous spacing for each vehicle type.
In VISSIM, when inputting a value greater than the capacity into any link, it is observed that vehicles maintain a spacing equal to the set value.
However, an interesting phenomenon occurs when using heterogeneous spacing with different CC1 settings. While vehicles traveling on one-lane roads adhere to the set spacing, some vehicles travel at a wider spacing than the set spacing when traveling on roads with more than two lanes.
I have attempted to find relevant functions related to car-following or lane-change behaviors, but my search has been fruitless thus far.
I would greatly appreciate your valuable assistance in helping me understand the reason behind this deviation in vehicle spacing behavior.
Thank you in advance for your support.
Best regards
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