This layer shows the location of Line Marking on all public access roads found in the Integrated Road Information System (IRIS). Line Marking is any kind of device or material that is used on a road surface in order to convey official information. White lines are generally used both to separate traffic flowing in the same direction and traffic flowing in opposite directions.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/