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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 – 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.

Practice overview – Work origin

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

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.

Practice note: network inspections

This practice note describes the process for making inspections using the ONRC performance measures.

Data quality sector survey results

REG developed a survey for the sector to gain a greater understanding of the root causes for inconsistent data quality to support the development of a sector-wide improvement programme.

ONRC data quality reported metric change register

Changes to the ONRC data quality framework, metrics and reports are outlined in the change register.

ONRC data quality report queries (RAMM SQL Scripts)

This document contains scripts for each of the latest ONRC data quality metrics that can be run on your network. It provides you with the ability to run the suite of data quality metrics on your RAMM database.

Asset Management data quality reported metric change register

Changes to the Asset Management data quality framework, metrics and reports are outlined in the change register.

Asset Management data quality report queries (RAMM SQL Scripts)

This document contains scripts for each of latest the Asset Management data quality metrics that can be run on your network. It provides you with the ability to run the suite of data quality metrics on your RAMM database.

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