About Survey Portal

The information on this webpage is provided as a general compilation of information from many sources. Users should verify the information before relying on it. Inquiries about how to verify aspects of the information can be made by contacting Main Roads on 138 138 or enquiries@mainroads.wa.gov.au.

The State of Western Australia and the Commissioner of Main Roads make no representation or warranty that the information provided on this webpage is error-free, accurate, adequate or complete.

Coordinate values shown for Control marks were correct at the time of their placement. Their current accuracy, reliability and consistency must be proven before use, especially with respect to Landgate's SSM network which is subject to re-adjustment.

Landgate Geodetic Control mark values must be obtained from Landgate as Main Roads is not permitted to display this detail.

Digital Ground Survey and Mapping Survey layers are digital representations of the boundaries of completed ground surveys and mapping surveys respectively. For more information on these surveys, please see the attached metadata or contact the Survey and Geospatial Services Data Manager on 138 138 or enquiries@mainroads.wa.gov.au. Data in these layers will be continuously updated as new surveys are lodged.

The State of Western Australia and the Commissioner of Main Roads will not be liable for any claim, actions, damage, loss, liability or expense of any kind arising from or in connection with the use of the information provided on this webpage.

This webpage should not be republished or distributed in any form without the prior written consent of the Survey and Geospatial Services Manager.