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Table 5 Variables for dataset #2

From: Developing operating speed models for elevated multilane urban arterials using artificial neural networks

Segment position

Variable name

Symbol

Unit

Range of measurement

Mean

Coefficient of variation

Dependent variable

    Segment (n)

Speed

V85 (n)

km/h

48—90

69.19

0.14

Independent variables

    Segment (n)

Length

Ln

m

52—1488

235.98

1.19

Category

Cn

-

1 – 10

7.57

0.42

Posted Speed

PS

km/h

40, 60

58.03

0.1

    Segment (n-1)

Length

L(n-1)

m

52—1488

232.04

1.22

Speed

V85 (n-1)

km/h

48—90

69.38

0.14

Category

C(n-1)

-

1—10

7.49

0.43

    Segment (n-2)

Length

L(n-2)

M

52—1488

236.16

1.21

Speed

V85 (n-2)

km/h

48—90

69.43

0.14

Category

C(n-2

-

1—10

7.55

0.41

    Segment (n-3)

Length

L(n-3)

m

52—1488

226.66

1.21

Speed

V85 (n-3)

km/h

48—90

69.54

0.14

Category

C(n-3)

-

1—10

7.46

0.42

    Segment (n-4)

Length

L(n-4)

m

52—1488

230.93

1.2

Speed

V85 (n-4)

km/h

48—90

69.48

0.14

Category

C(n-4)

-

1—10

7.63

0.4