Structures
Restricted structures are represented by red dots which must not be crossed. Conditionally approved structures are represented by orange dots which can be crossed, but only if the attached conditions are followed. Click on orange dots (or the red or orange roads beneath structures) to view relevant conditions of use for the structure in question, such as mass limits and/or, if applicable, speed, positioning and pilot requirements.
Rail crossings
Restricted rail crossings are represented by red symbols and must not be crossed. Conditionally approved rail crossings are represented by orange symbols which can be crossed, but only if the attached conditions are followed. Click on the symbol to view relevant information such as conditions of access or contact details for access approval requests if required. Zoom in to street level to view all rail crossing symbols.
Height clearance
Height clearance under overhead arterial structures is represented by orange symbols with numbers indicating the minimum height clearance in metres available for a vehicle to access a structure safely. Click on the symbol to view additional information such as direction and height variations. Zoom in to street level to view height clearance symbols. View the Height clearance on roads page for additional information or go straight to the Height clearance map (External link) for height clearances across all networks.