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Majalah 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