'Pedestrian Level of Service' (PLOS) is governed by which primary parameter?
Choose the correct answer
Pavement material and colour
Available pedestrian space (m²/ped) or flow rate — determines freedom of movement and conflict with others
Number of crossings per km
Footpath gradient
Correct Answer
B. Available pedestrian space (m²/ped) or flow rate — determines freedom of movement and conflict with others
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Pedestrian LOS (HCM): governed by pedestrian space (m²/ped) or flow rate (ped/m/min). PLOS A: > 5.6 m²/ped (free movement, no conflicts); PLOS B: 3.7–5.6; PLOS C: 2.2–3.7 (some restriction); PLOS D: 1.4–2.2; PLOS E: 0.7–1.4 (nearly full capacity); PLOS F: < 0.7 m²/ped (breakdown, shuffling gait). Width of footpath from PLOS A calculation. Related: IS 11388 for footpath widths.
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