This page relates to the 2024-27 National Land Transport Programme.

This webpage is under review

An update to reflect the Government Policy Statement on land transport 2024 is under way. 


Work category 221 provides for the renewal of existing environmental control facilities related to roads.

Qualifying activities

Work category 221 is available to the following activity classes:

  • local road maintenance
  • state highway maintenance.

Local road and state highway maintenance

Examples of qualifying activities

Examples of qualifying activities include, but may not be limited to renewal of:

  • existing stock-truck effluent disposal facilities
  • catch fences and protection planting provided for protection of the carriageway from land movement and slip material
  • any facility for the special treatment of run-off from the road to maintain water quality
  • noise walls.

You can discuss with us (NZ Transport Agency Waka Kotahi (NZTA) as investor) whether other potential activities not listed above might also be eligible for inclusion in this work category.


There are no identified exclusions.

Funding assistance rate

The usual funding assistance rate (FAR) is:



  • 100% of NZTA state highway costs.

Submitting activities for NLTP consideration and funding approval

Approved organisations and NZTA (for its own activities) submit their environmental renewals activities for NLTP consideration and funding approval using the maintenance, operations and renewals template in Transport Investment Online (TIO).

Transport Investment Online(external link)

For guidance on using TIO, see the TIO learning and guidance page on our website.

Transport Investment Online (TIO) learning and guidance

Further information

For details of stock effluent disposal facilities, see the specific policy.

Stock Effluent Facilities Policy