This layer indicates floodway's of the State Road Network in WA. A floodway is typically a longitudinal depression in a carriageway specially constructed to allow the passage of floodwater across it without damage or more simply, the channel & adjacent shore areas near a road under water during a flood. Floodways are usually sign posted on State Roads.Note that you are accessing this data pursuant to a Creative Commons (Attribution) Licence which has a disclaimer of warranties and limitation of liability. You accept that the data provided pursuant to the Licence is subject to changes.Pursuant to section 3 of the Licence you are provided with the following notice to be included when you Share the Licenced Material:- The Commissioner of Main Roads is the creator and owner of the data and Licenced Material, which is accessed pursuant to a Creative Commons (Attribution) Licence, which has a disclaimer of warranties and limitation of liability.Creative Commons CC BY 4.0 https://creativecommons.org/licenses/by/4.0/