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Principal roads where maintenance should be considered (39) Metric type
- Description
- The performance indicator is derived from a survey of the surface condition of the local authority's classified carriageway network, using survey vehicles that are accredited as conforming to the SCANNER (Surface Condition Assessment for the National Network of Roads) specification and processing software that is accredited as conforming to the UKPMS (UK Pavement Management System) standards.Results are reported for 100% of the network surveyed in both directions. For any given length of road, data from either the current financial year or the previous financial year may be used.All road surface types should be included (including principal motorways). Authorities should aim to cover the required network lengths. Where it is not physically possible to survey all parts of the network, grossed-up figures from shorter surveys (at least 90% of the total requirement) will be permitted.Formula: The indicator is the length of carriageway identified as having a road condition indicator (RCI) greater than or equal to 100 as a percentage of the total length surveyed.(x/y) * 100 where:x = length of carriageway surveyed identified as having a road condition indicator (RCI) greater than or equal to 100;y = total length of principal road carriageway surveyed.Results are calculated automatically by the UKPMS software.Each highway authority reports on the network for which it is responsible. So all returns exclude trunk roads. Returns from London Boroughs also exclude Transport for London roads and the Transport for London return relates to TfL roads only. Measurement is taken at any point in the financial year.
- Help text
- This is the percentage of the local authority's A-road and principal (that is, local authority owned) M-road carriageways where maintenance should be considered. This indicator was reported as NI 168, and is an updated version of the former Best Value Performance Indicator (BVPI) 223 (formerly BVPI 96). Note that there are some differences from how this data was collected as a BVPI which may hide/increase differences in performance.
- Modified
- 16 Dec 2020
- Data last updated
- 29 Jan 2024
- Also known as
- NI 168 Principal roads where maintenance should be considered
- NI 223 Condition of Principal Roads
- NI 96 Condition of principal roads
- Short label
- Principal roads where maintenance should be considered
- Status
- Live
- Output precision
- 0
- Polarity
- a low value is good
- Measure
- Percentage of principal road carriageway surveyed
- Dataset
- Principal roads where maintenance should be considered
- Collection
- Road conditions statistics
- Source
- Department for Transport
- is found in the following lists
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