Table 2 Road network hierarchy scoring system used in this study
From: Integrating criticality concepts into road network disruption assessments for volcanic eruptions
Hierarchy classification | OSM classification | Score |
|---|---|---|
Motorway | Motorway; Motorway link | 4 |
Arterial | Trunk; Trunk link; Primary; Primary link | 3 |
Collector | Secondary; Secondary link; Tertiary; Tertiary link; | 2 |
Local | Unclassified; Residential; Living street; Service; Road; Unknown | 1 |