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Page 11 of 14Majalah Ilmiah UNIKOM
Vol.8, No. 2
213
H a l a m a n
Muhammad Aria
c. case of heavy traffic (cars/h)
The average delay time of a car per inter-
section was collected. Average delay values
are calculated by using weighted average
method considering traffic volumes of ap-
proaches and it is expressed as seconds per
vehicle unit for each flow.
The simulation results are summarized in
and Table 4 and Table 5. But T2FL
computation time is more complex than
both Fixed Timer and T1FL algorithm. Table
Figure 12. Simulated Intersection Group.
Time
0 – 15
15 –
30
30 –
45
45 –
60
North
1600
2000
1600
1900
West
1600
1800
1700
1900
East
1800
1600
1900
1600
South
1600
2000
1700
1800
Case
Fixed-Time
T1FL
T2FL
T1FL Improve-
ment than
Fixed-Time
T2FL Improve-
ment than
Fixed-Time
T2FL Improve-
ment than
T1FL
1.a
54.3
45.9
50
15.60%
8.00%
-9.00%
1.b
55.9
50.4
51.1
9.80%
8.50%
-1.40%
1.c
60.5
60.1
55.1
0.60%
9.00%
8.40%
1.d
71.7
72.1
64.7
-0.60%
9.70%
10.20%
1.e
111.5
89.6
88.1
19.70%
21.00%
1.70%
1.f
137.9
106
106.4
23.20%
22.80%
-0.40%
Table 4. Average delay time for Case 1