Table 2
Quantitative risk mitigation assessment with space optimization strategy.
| Risk category | Risk indicator | Baseline value | Optimization value | Reduction rate | Threshold |
|---|---|---|---|---|---|
| Visual Obstruction | Blind Spot Density (per 100 m²) | 3.2 ± 0.8 | 1.5 ± 0.4 | 53.1% | >2.0 |
| Pedestrian Risk | Peak Density (persons/m²) | 1.8 ± 0.3 | 1.2 ± 0.2 | 33.3% | >1.5 |
| Path Conflict | Intersection Conflict Index | 0.42 ± 0.07 | 0.23 ± 0.05 | 45.2% | >0.3 |
| Emergency Evacuation | Evacuation Time (seconds) | 182 ± 15 | 126 ± 12 | 30.8% | <150 |
| Lighting Hazard | Uniformity Ratio (Emin/Eavg) | 0.38 ± 0.06 | 0.62 ± 0.04 | 63.2% | >0.6 |
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