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  • Influence of road characteristics on flood fatalities in Australia

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Influence of road characteristics on flood fatalities in Australia

Source(s):  Bushfire and Natural Hazards Cooperative Research Centre (BNHCRC)
Risk Frontiers Holdings Pty Ltd

This report outlines research to determine the influence of road characteristics on flood fatalities including road structure type; roadway side barriers; downstream depths adjacent to the roadway; signage; warning systems; lighting; road pavement; road alignment; road grade; speed restrictions; traffic volume; downstream vegetation; ability for a vehicle to be turned around prior to crossing the floodway, causeway or bridge and presence of road side markers and curb and guttering.

The results of this research indicate some road characteristics that are common among sites where motorists have entered floodwaters and fatalities have occurred. These characteristics variously influence the risk that motorists knowingly or unknowingly enter floodwater, the ability of motorists to turn around upon seeing floodwaters, and the likely survivability of entering floodwaters. It is necessary to consider the influence of different road characteristics on the risks posed to motorists during floods. Observations are also made regarding the need to consider the role of road side barricades in increasing safety and to review signage to ensure it is clear and can be readily interpreted.

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  • Influence of road characteristics on flood fatalities in Australia
  • Publication date 2017
  • Author(s) Gissing, A.; Tofa, M.; Opper, S.; Haynes, K.
  • Number of pages 20 p.

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