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Table 5 Quantification of affected road segments and length for each disruption metric

From: Integrating criticality concepts into road network disruption assessments for volcanic eruptions

Metric

Score

Segments

Length (km)

Merapi

Kelud

Merapi

Kelud

Criticalitya

1 (Minor)

28,249 [1.4]

505,900 [24.8]

6,071 [1.5]

108,808 [27.4]

100 (Major)

1,092 [1.3]

20,869 [24.3]

969 [1.6]

17,300 [28.5]

1,000 (Vital)

50 [0.4]

1,904 [16]

67 [1.0]

1,275 [19.1]

Impactb

10 (FLS 1)

28,888 [1.4]

526,647 [24.6]

6,915 [1.5]

126,780 [27.3]

100 (FLS 2)

503 [0.02]

2,026 [0.1]

193 [0.04]

603 [0.1]

Length of roadc

0.01

5,770 [1.1]

114,516 [21.4]

174 [1.2]

3,197 [21.4]

0.1

7,275 [1.4]

123,165 [23.1]

525 [1.4]

8,907 [23.1]

1

7,616 [1.4]

133,788 [25]

1,073 [1.4]

18,915 [24.3]

10

8,730 [1.6]

157,201 [29.4]

5,322 [1.6]

96,364 [28.7]

Allc

-

29,391 [1.4]

528,673 [24.7]

7,094 [1.5]

127,383 [27.5]

  1. aNumbers in square brackets are the percentages of the total road network that has been assigned that criticality score.
  2. bNumbers in square brackets are the percentage of the total Java road network.
  3. cNumbers in square brackets are the percentages of the total road network that has been assigned that length of road score.