This layer shows location of drainage headwalls within the Metropolitan Region and is provided for information only. A Headwall is defined as a retaining wall placed at the inlet or outlet of a stormwater pipe or culvert. It can be owned by Main Roads WA or others.
Data dictionary and disclaimer: Link
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."