Modeling Crossing Conflicts at Unsignalized T-Intersections under Heterogeneous Traffic Conditions
Table 3
Descriptive statistics of selected variables.
Variable
Type of variable
Levels and coding
Minimum
Maximum
Average
Standard deviation
Critical conflicts (conflicts/hr)
Continuous
96
1284
396
188
Noncritical conflicts (conflicts/hr)
108
1140
454
229
2w C (%)
38
92
72
8
3w C (%)
0
45
13
7
Car C (%)
0
35
12
7
2w O (%)
41
100
70
11
3w O (%)
0
43
11
8
Car O (%)
0
42
14
10
Conflicting volume (vehicle/hr)
960
6588
2914
1188
Offending volume (vehicle/hr)
228
2268
855
393
Intersection geometry
Categorical
0 without Central Island 1 with Central Island
0: 49% of samples 1: 51% of samples
Time of the day
0-off-peak 1- peak hour
0: 30% samples 1: 70% samples
Note: Critical and noncritical conflicts per hour, 2w C, 3w C, and Car , 3w, and car composition in conflicting approach (%), 2w O, 3w O, and Car , 3w, and car composition in offending approach (%).
