This is an Appendix to the New Zealand Forest Owners Road Engineering Manual, titled "Forest Roads for High Productivity Motor Vehicle with Two Drive Axle Log
Trucks."
The original 2020 Forest Road Engineering Manual was developed to ensure that roads, water crossings, and related infrastructure in New Zealand's plantation forests are fit for
purpose and adhere to high environmental standards. However, the design tables and specifications were created prior to the advent of High Productivity Motor Vehicles (HPMVs),
which have different requirements compared to the older configurations.
This appendix provides guidance and commentary on planning and constructing in-forest roads to accommodate HPMV vehicles.