Table 6 Measurement analysis results.

From: A hybrid approach to investigating major management factors for effective highway preventive maintenance

Factor

Out-degree

In-degree

CIRD(X)

Rank

information acquisition

14.00

25.00

0.78

1

system perfection

13.00

20.00

0.66

2

system establishment

12.00

21.00

0.63

3

government attention

17.00

14.00

0.62

4

new technology application

15.00

15.00

0.60

5

capital investment

14.00

16.00

0.60

6

management mode

15.00

14.00

0.58

7

system execution

14.00

14.00

0.56

8

manager capability

18.00

10.00

0.56

9

personnel technology

14.00

14.00

0.56

10

maintenance cost

15.00

13.00

0.56

11

information utilization

13.00

11.00

0.48

12

income situation

14.00

10.00

0.48

13

measure effect

11.00

13.00

0.48

14

public cognition

10.00

13.00

0.46

15

department competition

14.00

9.00

0.46

16

personnel cognition

10.00

11.00

0.42

17

route selection

12.00

7.00

0.38

18

machinery allocation

4.00

13.00

0.34

19

timing determination

11.00

6.00

0.34

20

market competition

10.00

5.00

0.32

21

material supply

7.00

8.00

0.30

22

work risk

8.00

6.00

0.28

23

mechanical efficiency

4.00

9.00

0.26

24

material quality

6.00

7.00

0.26

25

climate impact

9.00

0.00

0.18

26