Investigating the Relationship between Traffic Violations and Crashes at Signalized Intersections: An Empirical Study in China
Table 1
Descriptive statistics of variables.
Description
Mean
S.D.
Max.
Min.
The number of traffic crashes
10.15
6.88
24
2
The number of property-loss crashes
5.80
5.38
17
0
The number of injury-or-fatal crashes
4.38
1.68
8
2
Designated approach lane violation (1208)
20725.06
9318.77
54853
8448
Driving commercial vehicle during internship (1234)
92.13
42.81
159
27
Wrong-way entry (1301)
4306.06
2841.62
12190
817
Against signs (1344)
23894.03
9654.51
48758
10078
Against marks (1345)
27982.35
10686.43
51806
11890
Speeding (0∼20% over speed limit) (1352)
33696.52
15594.46
97516
14268
Against signals (1625)
8550.90
3171.46
18284
2973
Some of the variable descriptions are followed by brackets, which is the traffic violation code, based on the “People’s Republic of China Public Safety Industry Standard: Codes for Classification of Traffic Violation Actions (GA/T 16.31-2017).”