Skip to content

Access keys for nzta.govt.nz

  • h Home
  • m Menu
  • 0 Show list of access keys
  • 2 Skip to content
  • 3 Skip to top

Filter by:


Roading data quality reports

These reports are the result of the Road Efficiency Group’s (REG) assessment of each Road Controlling Authority’s (RCA) One Network Road Classification (ONRC), related performance measure data plus asset management and decision support systems data.

Practice overview – Data quality framework

This overview document is intended to provide high level support and direction to better understand the intent and purpose of the data quality framework developed by the Road Efficiency Group (REG).

Practice overview – Data quality dimensions

This overview document is supplementary to the Data quality framework overview document and is intended to provide a more detailed level of support and direction to better understand the three quality dimensions of accuracy, completeness and timeliness.

Practice overview – Understanding the data quality results

This overview document is supplementary to the Data quality framework overview document and is intended to provide a more detailed level of support and direction in reading and understanding the results of the annual data quality reports.

Data quality management guideline

This guideline is intended to provide a more detailed level of support and direction in the role and importance of data quality management and how to develop appropriate data processes and plans.

Practice overview – Carriageway sections

This overview document is intended to provide high level support and direction to better understand the criticality of defining carriageway sections and attributes, and how to maintain this dataset.

Practice overview – Treatment length management

This overview document is intended to provide high level support and direction to better understand the criticality of treatment lengths, and how to management them.

Practice overview – Surfacing data

This overview document is intended to provide high level support and direction to better understand the criticality of pavement surfacing data, and how to maintain this dataset.

Managing expected surface lives in RAMM overview

This overview is intended to provide high level support and direction in managing expected surface lives in the Road Assessment and Maintenance Management (RAMM) software. Supplementary detailed support is provided in the guideline; Maintaining Expected Surface Lives in RAMM.

Maintaining expected surface lives in RAMM guideline

This guideline is intended to provide detailed support and direction in maintaining expected surface lives in the Road Assessment and Maintenance Management (RAMM) software. Supplementary higher-level guidance is provided in the practise overview; Managing Expected Surface Lives in RAMM.

Practice overview – Work origin and original cost

This overview document is intended to provide high level support and direction to better understand the criticality of populating the work origin and original cost fields.

Practice overview – Traffic count data

This overview document is intended to provide high level support and direction to better understand the criticality of robust traffic count data at a network level, and how to develop a traffic count strategy and structured count programme.

Practice overview – Traffic estimate data

This overview document is intended to provide high level support and direction to better understand the criticality of robust traffic estimate data and how to maintain this dataset.

Practice overview – Maintenance activity data

This overview document is intended to provide high level support and direction to better understand the criticality of maintenance activity data, and how to maintain this dataset.

Practice overview – Crash data

This overview document is intended to provide high level support and direction to better understand the criticality of crash data within Road Assessment and Maintenance Management (RAMM), and how to maintain this dataset.

Top