Road Floodway

A road floodway is a section of road designed to be overtopped by floodwater during relatively low average recurrence interval (ARI) floods.

Road floodways are typically accompanied by a depth indicator, so that the depth of flooding can be determined by motorists.

Photos

hughes-road-floodway-2.JPG Duckpond-Road-Floodway.JPG

Signage

Floodway signs should be erected to provide advance warning of floodways.

floodway-Sign.png

Related Pages

External Links & References

  1. Queensland Transport & Main Roads Road Drainage Manual (Chapter 10 - Floodway Design)
  2. Google Search
  3. Road Flooding Signage -Department of Transport and Main Roads (Queensland)
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License