Select the relevant local government area from the list. Follow the link to find the planning overlays that will apply to your area.
Then to open a detailed map of the area you are interested in, position your cursor over and select the relevant grid area number on the index map on the new page. This will open the zones and overlay map list for that area.
The zone and overlay maps for each grid area may also be displayed or hidden by selecting the plus or minus symbol. To open a map in a new window use ctrl + click on your mouse.