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Table 1 - Description, Factor Levels, Coding System, and Basic Statistics of the Explanatory Variables
Excel | CSV
| MODEL 1 |
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| QNMm |
Nonmotorcycle flow on major road (nmpd) |
|
QNMm |
14,527 |
50,529 |
31,389 |
32,354 |
| QNMn |
Nonmotorcycle flow on minor road (nmpd) |
|
QNMn |
2,133 |
20,129 |
11,276 |
11,129 |
| QMm |
Motorcycle flow on major road (mpd) |
|
QMm |
5,510 |
21,899 |
12,228 |
10,792 |
| QMn |
Motorcycle flow on minor road (mpd) |
|
QMn |
1,752 |
4,771 |
3,183 |
3,142 |
| QPED |
Pedestrian flow (pedestrians/hour) |
|
QPED |
0 |
235 |
36 |
19 |
| SPEED |
Approach speed (km/hour) |
|
SPEED |
53.00 |
68.00 |
59.57 |
59.50 |
| LWm |
Average lane width on major road (m) |
|
LWm |
3.30 |
4.00 |
3.58 |
3.60 |
| LWn |
Average lane width on minor road (m) |
|
LWn |
3.40 |
4.00 |
3.69 |
3.60 |
| LNm |
Number of lanes on major road (lanes/traffic direction) |
|
LNm |
2 |
5 |
2.6 |
2.0 |
| LNn |
Number of lanes on minor road (lanes/traffic direction) |
|
LNn |
1 |
3 |
1.6 |
2.0 |
| NL |
Number of legs |
2 |
(1) 3-legged
(2) 4-legged |
1 |
2 |
1.5 |
1.0 |
| SHDW |
Average shoulder width on major and minor roads |
3 |
(1) SHDW = 0.00 m
(2) 0.00 < SHDW ≤ 1.00 m
(3) SHDW > 1.00m
|
1 |
3 |
1.7 |
2.0 |
| LU |
Land-use category |
2 |
(1) Noncommercial
area
(2) Commercial area |
1 |
2 |
1.7 |
2.0 |
| MODEL 2 |
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| Qmajor |
Traffic flow on major road (vehicles/day) |
|
Qmajor |
20,043 |
72,428 |
43,617 |
42,258 |
| Qmajor |
Traffic flow on minor road (vehicles/day) |
|
Qminor |
4,504 |
24,900 |
14,459 |
14,293 |
| SHD |
Average shoulder width on major and minor roads (m) |
|
SHD |
0 |
1.3 |
0.5 |
0.9 |
Key: km = kilometers; m = meters; mpd = motorcycles per day; nmpd = nonmotorcycles per day.
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