Modeling Crossing Conflicts at Unsignalized T-Intersections under Heterogeneous Traffic Conditions
Table 2
Descriptive statistics of PET data.
Study site
Movement
Mean
Median
Mode
Standard deviation
Standard error
S-1
L1
0.06
-0.30
0.37
1.87
0.04
L2
0.60
0.43
0.17
2.10
0.06
Combine
0.28
0.07
0.37
1.99
0.04
S-2
L1
0.60
0.33
-0.53
1.95
0.06
L2
0.10
0.10
-0.37
2.09
0.07
Combine
0.39
0.23
-0.37
2.02
0.04
S-3
L1
0.99
0.60
-1.47
2.11
0.07
L2
1.19
1.33
3.20
2.39
0.11
Combine
1.05
0.88
3.20
2.26
0.06
S-4
L1
-0.50
-0.64
-0.68
1.84
0.07
L2
-0.12
-0.28
0.72
1.87
0.11
Combine
-0.38
-0.52
0.72
1.86
0.06
S-5
L1
0.69
0.44
0.27
1.62
0.07
L2
0.41
0.16
0.15
1.56
0.06
Combine
0.53
0.25
0.27
1.59
0.04
S-6
L1
0.12
0.17
-0.50
1.84
0.06
L2
0.01
-0.12
-0.42
1.78
0.07
Combine
0.12
0.17
-0.50
1.80
0.06
S-7
L1
-0.56
-0.72
0.13
1.84
0.05
L2
-0.34
-0.48
0.25
1.80
0.05
Combine
-0.45
-0.48
0.13
1.83
0.04
S-8
L1
-0.67
-0.54
-2.21
1.90
0.06
L2
-0.51
-0.21
0.29
1.56
0.07
Combine
-0.61
-0.37
-2.21
1.79
0.05
Note: road where vehicles are taking right-turn to merge into the major road traffic stream. road where vehicles are taking right-turn to merge into the minor road traffic stream.