Ticketing Aggressive Cars and Trucks in Washington State
 

APPENDIX F
Video Coding Data –
Observed Violation

Table 1. Officer observed violations per hour of video record at intervention ( Bellingham and Lacey) and comparison (Kelso and Spokane) sites.

 

 

Wave

 

Site

 

1

2

3

4

5

Total

Bellingham

Hours Video1

6:53:27

7:10:23

7:01:26

7:05:32

6:59:30

35:10:18

 

Violations2

69

39

41

14

25

188

 

Violations/Hour3

10.01

5.44

5.84

1.97

3.58

5.35

Lacey

Hours Video

7:34:57

7:24:49

4:55:20

8:06:03

7:24:22

35:25:31

 

Violations

15

20

7

9

16

67

 

Violations/Hour

1.98

2.70

1.42

1.11

2.16

1.89

Intervention

Hours

14:28:24

14:35:12

11:56:46

15:11:35

14:23:52

70:35:49

 

Violations

84

59

48

23

41

255

 

Violations/Hour

5.80

4.04

4.02

1.51

2.85

3.61

Kelso

Hours Video

7:23:49

7:29:02

7:18:10

6:37:03

7:16:24

36:04:28

 

Violations

24

11

9

6

4

54

 

Violations/Hour

3.24

1.47

1.23

0.91

0.55

1.50

Spokane

Hours Video

8:00:00

7:33:32

7:02:46

7:32:14

7:04:14

37:12:46

 

Violations

38

43

45

58

51

235

 

Violations/Hour

4.75

5.69

6.39

7.70

7.21

6.32

Comparison

Hours

15:23:49

15:02:34

14:20:56

14:09:17

14:20:38

73:17:14

 

Violations

62

54

54

64

55

289

 

Violations/Hour

4.03

3.59

3.76

4.52

3.83

3.94

1 Hours Video = Total amount of video record for each wave at each site (hours:minutes:seconds)

2 Violations = Number of possible violations indicated by officer in video record for each wave at each site

3 Violations/Hour = Violations per hour of video record for each wave at each site (Violations divided by Hours Video)

 

 

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