Estimating Rear-End Accident Probabilities with Different Driving Tendencies at Signalized Intersections in China
Table 1
Statistical results of driving variable parameters of different driving tendencies.
Driving tendencies
Variables
N
Min
Max
Mean
STD
Aggressive
Distance from stop line (m)
220
24.34
69.79
41.1618
7.47832
Speed (m/s)
220
10.11
18.48
13.3690
1.79014
Acceleration/Deceleration (m/s2)
220
-4.16
1.40
-1.0895
1.66172
Entry time1 (s)
131
2.64
5.22
3.5204
.57218
Headway (s)
213
.67
2.99
1.7348
.58343
Stop time2 (s)
89
4.10
6.01
4.8156
.43181
Reaction time (s)
220
.32
1.31
.8276
.15027
Normal
Distance from stop line (m)
352
19.97
67.49
36.3597
6.62826
Speed (m/s)
352
5.27
18.53
12.6959
1.63167
Acceleration/Deceleration (m/s2)
352
-2.64
4.24
-.5775
2.06079
Entry time (s)
150
1.63
3.19
2.3965
.33242
Headway (s)
296
.65
3.73
1.9953
.61555
Stop time (s)
202
4.27
8.01
5.8085
.69168
Reaction time (s)
352
.35
1.95
1.0744
.25885
Conservative
Distance from stop line (m)
224
15.89
76.42
38.9934
11.93947
Speed (m/s)
224
3.98
17.13
11.7563
1.76093
Acceleration/Deceleration (m/s2)
224
-2.37
2.45
-.6588
1.02378
Entry time (s)
116
1.62
3.28
2.4757
.29486
Headway (s)
170
.98
3.99
2.0137
.59860
Stop time (s)
108
5.59
12.10
8.5019
1.43955
Reaction time (s)
224
.44
2.46
1.2434
.41100
Note: (1) Entry time refers to the time from flashing green onset to the time when the vehicle has just entered the intersection. (2) Stop time refers to the time from flashing green onset to the time when the vehicle stops at the stop line.
