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RCA annual data quality results

Published: | Category: RCA data quality , Research & reports | Audiences: Local & regional government, Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The annual summaries are the result of the Road Efficiency Group’s (REG) annual assessment of each Road Controlling Authority′s (RCA) One Network Road Classification (ONRC) performance measure and asset management data.

Each spreadsheet summarises the reported annual high-level results for a RCA based on an evolving data quality framework of metrics interrogating data for a range of data quality dimensions including completeness, accuracy and timeliness.

This is produced by summarising the individual RCA metric results generated within the Performance Measures Reporting Tool (PMRT). PMRT is the only place where the metric level of detail is available to each RCA.

Information about each metric contained in the metric library and change register resource is also accessible via the Data Quality Descriptions section of the PMRT. This includes the RAMM SQL and Exception SQL to find the records that may have issues. These should be used to uncover gaps in processes and information, not to only fix the symptom.

REG data quality project
ONRC Performance Measures Reporting Tool(external link)
Data quality metric library(external link)

Publication details

  • Author:
  • Published: October 2020

RCA annual data quality results

Year Summary RCA results
2019/20 [XLSM, 110 KB] The 2019/20 asset management data quality assessment is based on 62 metrics.
2018/19 [XLSM, 128 KB] The 2018/19 data quality assessment based on 63 metrics; 31 ONRC metrics and 32 asset management metrics.
2017/18 [XLSM, 125 KB] The 2018/19 data quality assessment based on 63 metrics; 32 ONRC metrics and 31 asset management metrics.

How to interpret the results

The overview Understanding the data quality results provides a detailed level of support and direction in understanding the results.

Understanding the data quality results [PDF, 319 KB]

Infographic demonstrating how to interpret the RCA results