Vehicles’ number in queue

1

2

3

4

5

6

Approximate time T_aprx(2) (in sec) spending of the given vehicle in the queue completely to approach to the “Yield” sign

0

2.12

5.25

7.17

9.34

11.51

Average stopping timeT_av.stp (in sec.) of the given vehicle before “Yield” sign

15.23

28.41

42.33

57.22

71.24

83.11

The sum of these two time periods $T_2=T_{av.stp}+T_{aprx\left(2\right)}$

15.23

30.53

47.58

64.39

80.58

94.62

The delay d_ad.ln (in sec) of each vehicle due to the additional

second lane of the roundabout can be found as $d_{ad.ln}=T_1+T_2$

35.72

48.36

63.46

79.20

92.96

103.83

Average delay d_av (in sec) of these 6 vehicles or queue

70.59