Distribution of Rejection Number. The rejection number is the number of rejected gaps before a successful merge.
As shown in Figure 5, as the rejection number increases, the number of vehicles decreases.
To further verify the findings above, the percentage of the merging events with at least one rejected gap larger than the accepted gap for samples with different rejection number (i.e., rejection number > 0) are listed in Table 3.
Samples with the same rejection number are put together and the accepted value is analyzed.
As for D, we can see that, with the increase in rejection number, the merging location is closer to the end of the acceleration lane and the distribution is more concentrate for both SH and LA.
Figure 7 show a diversity merging behavior under different rejection number. It means that rejected gaps have impact on merging behaviors.
It demonstrates that, under the same survival probability, the larger the rejection number considered, the larger the time gap.
As shown in Table 6, the more the rejection number considered, the higher the prediction accuracy for both sites.
(1) The mean rejection number is 3.12 in SH and 2.25 in LA.