Research Article
Understanding Pedestrian Interactive Behaviors under the Different Level of Services on Stairways
Table 5
Critical densities observed in this study.
| | Density (p/m2 and ft2/p) | LOS based on HCM | Description of the critical density |
| | 0.15 (71.8) | A | None of PIBs | | 0.225 (47.8) | A | Pedestrian overtaking behavior events could be observed | | 0.65 (16.6) | B | The largest intensity of overtaking behavior on descending stairway | | 0.75 (14.3) | C | Key density of horizontal distance on descending stairway | | 0.975 (11.0) | D | The largest intensity of overtaking behavior on ascending stairway | | 1.05 (10.2) | D | Key density of longitudinal distance for overtaking behavior | | 1.45 (7.4) | E | Key density of longitudinal distance for evasive behavior | | 1.6 (6.7) | E | All the overtaking behavior events are the sideways behaviors | | 1.875 (5.7) | E | None of pedestrian overtaking behavior on descending stairway | | 2.325 (4.6) | F | None of pedestrian overtaking behavior on ascending stairway | | 3.15 (3.4) | F | None of pedestrian evasive behavior |
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