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Table 3 Combined bridge vulnerability statistics

From: Evacuation planning in the Auckland Volcanic Field, New Zealand: a spatio-temporal approach for emergency management and transportation network decisions

Bridges 3.5 km 5 km 8 km
Any 12.7% 21.5% 38.7%
Either North 7.3% 11.9% 21.8%
Either South 5.4% 9.6% 20.6%
Both North 0.2% 1.7% 7.7%
Both South 0.2% 1.5% 7.3%
NW, Harbour & Mangere 0.0% 0.0% 1.7%