Research Article

Bilevel Optimization for the Hazmat Transportation Problem with Lane Reservation

Table 6

Computational comparison of small scale between EX-EX-EX and EX-PSO-EX and EX-GA-EX with  = 0.1,  = 0.1, and  = 0.7 (sets 1–15).

Set|N||A|EX-EX-EXEX-PSO-EXEX-GA-EX
CPU time (sec)CPU time (Sec)CPU time (sec)
Average SolutionAvgBest SolutionBestStandard DeviationAverage SolutionAvgBest SolutionBestStandard Deviation

1816570.3630.2600.3640.0040.3630.0000.0060.2670.3630.0000.3630.0000.0000.749
28185100.2112.9330.2120.0050.2110.0000.0040.2690.2110.0000.2110.0000.0000.751
38205100.2082.9320.2080.0030.2080.0000.0010.2800.2080.0000.2080.0000.0000.756
4822570.3010.2580.3010.0000.3010.0000.0000.2720.3010.0000.3010.0000.0000.768
5824570.2370.2620.2370.0000.2370.0000.0000.2780.2370.0000.2370.0000.0000.762
610305100.1743.0910.1770.0140.1740.0000.0070.8680.1740.0000.1740.0000.0000.795
710325110.2176.8340.2180.0020.2170.0000.0020.5410.2170.0000.2170.0000.0000.804
810345100.2453.1290.2450.0000.2450.0000.0000.5570.2450.0000.2450.0000.0000.807
91036590.1261.4150.1260.0000.1260.0000.0000.5580.1260.0000.1260.0000.0000.817
1010385110.3446.9400.3510.0220.3440.0000.0060.5510.3440.0020.3440.0000.0030.812
11157010130.25167.8400.2590.0300.2510.0000.0061.0680.2510.0000.2510.0000.0001.566
12157210140.270138.5240.2850.0560.2700.0000.0121.0660.2700.0000.2700.0000.0001.598
13157410150.253299.2400.2560.0100.2530.0000.0021.0680.2530.0000.2530.0000.0001.594
14157610160.177645.7550.1880.0440.1770.0000.0111.0750.1770.0000.1770.0000.0001.598
15157810170.3151381.5170.3230.0250.3160.0030.0041.0670.3170.0040.3150.0000.0031.585