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The Transport Agency maintains a register of network standards and guidelines that are governed under its Register process manual.

Application of network documents

Networks must be planned, constructed, operated and maintained in accordance with the technical documents in the Transport Agency’s Register of network standards and guidelines and Register Process Manual.  

Any requests for departure from this policy must be directed in writing to the Transport Agency National Investment Manager. It is the Transport Agency’s policy that funding will be provided only to that portion of a network that complies with the register and the Process manual.

Over-width carriageways

Maintenance and renewal of existing over-width carriageways will be eligible for funding assistance where this has been demonstrated to be the most cost-effective option. This applies, in particular, to the following work categories: