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[this is a data cube dataset] A data cube dataset in folders : Transport, Transport Scotland

Road Network and Traffic

Road network traffic, perceptions of congestion and road condition

View as a spreadsheet
Dimensions
Dimension
Value
Indicator (Road Network Traffic)
  1. Percentage Of Driver Journeys Delayed Due To Traffic Congestion
  2. The Percentage Of Roads Needing Repairs (Red And Amber Classification) In Scotland
  3. The Total Million Vehicle Kilometres On Scottish Roads
Measure Type
  1. Count
  2. Ratio
Reference Period
  1. 2003
  2. 2005
  3. 2006
  4. 2007
  5. 2008
  6. 2009
  7. 2010
  8. 2011
  9. 2012
  10. 2013
  11. 2014
  12. 2015
  13. 2016
  14. 2017
  15. 2018
Reference Area
(showing types of area available in these data)
  1. Countries
  2. Council Areas
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Entire dataset
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CSVN-Triples
About the Dataset
Contact
Publisher
Transport Scotland
Creator
Transport Scotland
In folders
License
Issued
29/07/2014
Modified
20/12/2019
Next update due
September 2020
Description

Estimates for percentage of journeys perceived to have been delayed by congestion (from the Scottish Household Survey), percentage of Scottish roads needing repairs and total vehicle kilometres driven on Scottish roads (published in Scottish Transport Statistics).

Estimates from the Scottish Household Survey are updated annually in Transport and Travel in Scotland .

For perceptions of congestion, respondents are asked as part of a Travel Diary to indicate where they felt which car journeys they have undertaken the previous day were delayed by congestion, and by how long. These congestion perception figures are a National Indicator in the Scotland Performs framework. The figures for 2017 are for the years 2015-2017 combined and for 2018 they are for 2016-2018 combined.

SHS estimates are National Statistics and provide figures which are representative of households and individuals in Scotland annually. The SHS has an annual sample size of around 10,000 individuals and, since 2012, has operated with a fully unclustered sample design.

Local authority road network condition is assessed via the Scottish Road Maintenance Condition Survey, which is organised by the Society of Chief Officers of Transportation in Scotland on behalf of Local Authorities. This is carried out using a specialist contractor using vehicles accredited anually by the TRL. These vehicles are equipped with lasers and high-resolution cameras and record a variety of different road characteristics.

The construction of the Road Performance Indicator was changed in 2007-08 to the current Road Conditions Indicator (RCI), which has each ten-metre stretch of road being assigned to one of three categories - red, amber or green depending on the overall road defect score.

The survey aims to cover all local authority A roads in both directions every two years, all B and C roads in both directions every four years and a 10% sample of unclassified roads every year, with the RCI for unclassified road being calculated from four years' of combined data to give a rolling four-year indicator.

Vehicle kilometres driven are calculated by the Department for Transport and are not National Statistics, providing only a rough indication of the likely volume of traffic on the roads. These figures distinguish between motorway, urban (an area with a population of over 10,000 as of the 2001 Census) and rural roads.

Details
Confidentiality Policy

The Scottish Household Survey complies with statistical disclosure control principles and the Code of Practice for Official Statistics. It is therefore not possible to calculate how many respondents gave a certain answer based on the results of this survey.

Quality Management

Full details of the methodology and fieldwork outcomes for the Scottish Household Survey can be accessed on the Scottish Government website

Accuracy and Reliability

Some tables include missing values. This is where the count on which percentages would be calculated is less than 50 and this data is judged to be insufficiently robust for publication.

Coherence and Comparability

The Scottish Government conducts several major population surveys that are used to inform the policy debate in Scotland and in some instances the surveys can be complementary. The Long-Term Survey Strategy 2018-2022, of which the SHS is a central element, aims to ensure that the Scottish Government’s population surveys continue to meet key information needs while maximising the analytical potential of the data they generate. A guide is available providing more information on Scotland’s surveys.

Accessibility and Clarity

A glossary of terms used in the Scottish Household Survey is available in the annual report.

Relevance

The SHS is designed to provide reliable and up-to-date information on the composition, characteristics, attitudes and behaviour of private households and individuals, both nationally and at a sub-national level and to examine the physical condition of Scotland’s homes. It covers a wide range of topics to allow links to be made between different policy areas.

Timeliness and Punctuality

This dataset will be updated annually.

Revisions

The Scottish Household Survey is not subject to scheduled revision. Revisions and corrections to previously published statistics are dealt with in accordance with the Scottish Government Statistician Group corporate policy statement on revisions and corrections - a copy of which is available on the Scottish Government website

URI

This is a linked data resource: it has a permanent unique uri at which both humans and machines can find it on the Internet, and which can be used an identifier in queries on our SPARQL endpoint.

http://statistics.gov.scot/data/road-network-traffic
Dimensions Linked Data

A linked data-orientated view of dimensions and values

Dimension Locked Value
Indicator (Road Network Traffic)
http://statistics.gov.scot/def/dimension/indicator(roadNetworkTraffic)
(not locked to a value)
Reference Area
http://purl.org/linked-data/sdmx/2009/dimension#refArea
(not locked to a value)
Reference Period
http://purl.org/linked-data/sdmx/2009/dimension#refPeriod
(not locked to a value)
Measure Type
http://purl.org/linked-data/cube#measureType
(not locked to a value)
Graphs

Linked Data is stored in graphs. We keep dataset contents (the data) separately from the metadata, to make it easier for you to find exactly what you need.

The data in this dataset are stored in the graph: http://statistics.gov.scot/graph/road-network-traffic

The data structure definition for this data cube dataset is stored in the same graph as the data: http://statistics.gov.scot/graph/road-network-traffic

All other metadata about this dataset are stored in the graph: http://statistics.gov.scot/graph/road-network-traffic/metadata

Linked Data Resources

A breakdown by type of the 1,196 resources in this dataset's data graph.

Resource type Number of resources
Collection 2
Component specification 9
Data set 1
Data structure definition 1
Observation 1,183
All metadata
In Graph http://statistics.gov.scot/graph/road-network-traffic/metadata
Accessibility and Clarity http://statistics.gov.scot/def/statistical-quality/accessibility-and-clarity
A glossary of terms used in the Scottish Household Survey is available in the [annual report](https://www2.gov.scot/Topics/Statistics/16002). xsd:string
Accuracy and Reliability http://statistics.gov.scot/def/statistical-quality/accuracy-and-reliability
Some tables include missing values. This is where the count on which percentages would be calculated is less than 50 and this data is judged to be insufficiently robust for publication. xsd:string
Comment rdfs:comment http://www.w3.org/2000/01/rdf-schema#comment
Road network traffic, perceptions of congestion and road condition xsd:string
Comparability and Coherence http://statistics.gov.scot/def/statistical-quality/comparability-and-coherence
The Scottish Government conducts several major population surveys that are used to inform the policy debate in Scotland and in some instances the surveys can be complementary. The Long-Term Survey Strategy 2018-2022, of which the SHS is a central element, aims to ensure that the Scottish Government’s population surveys continue to meet key information needs while maximising the analytical potential of the data they generate. A guide is available providing more information on Scotland’s surveys. xsd:string
Confidentiality http://statistics.gov.scot/def/statistical-quality/confidentiality
The Scottish Household Survey complies with statistical disclosure control principles and the Code of Practice for Official Statistics. It is therefore not possible to calculate how many respondents gave a certain answer based on the results of this survey. xsd:string
Contact email http://publishmydata.com/def/dataset#contactEmail
mailto:transtat@transport.gov.scot
Creator dcterms:creator http://purl.org/dc/terms/creator
Transport Scotland http://statistics.gov.scot/id/organisation/transport-scotland
Date Issued dcterms:issued http://purl.org/dc/terms/issued
July 29, 2014 00:00 xsd:dateTime
Date Modified dcterms:modified http://purl.org/dc/terms/modified
December 20, 2019 14:44 xsd:dateTime
Description dcterms:description http://purl.org/dc/terms/description
Estimates for percentage of journeys perceived to have been delayed by congestion (from the Scottish Household Survey), percentage of Scottish roads needing repairs and total vehicle kilometres driven on Scottish roads (published in [Scottish Transport Statistics](https://www.transport.gov.scot/our-approach/statistics#)). Estimates from the Scottish Household Survey are updated annually in [Transport and Travel in Scotland](https://www.transport.gov.scot/our-approach/statistics#42764) . For perceptions of congestion, respondents are asked as part of a Travel Diary to indicate where they felt which car journeys they have undertaken the previous day were delayed by congestion, and by how long. These congestion perception figures are a National Indicator in the Scotland Performs framework. The figures for 2017 are for the years 2015-2017 combined and for 2018 they are for 2016-2018 combined. SHS estimates are National Statistics and provide figures which are representative of households and individuals in Scotland annually. The SHS has an annual sample size of around 10,000 individuals and, since 2012, has operated with a fully unclustered sample design. Local authority road network condition is assessed via the Scottish Road Maintenance Condition Survey, which is organised by the Society of Chief Officers of Transportation in Scotland on behalf of Local Authorities. This is carried out using a specialist contractor using vehicles accredited anually by the [TRL](http://www.trl.co.uk/). These vehicles are equipped with lasers and high-resolution cameras and record a variety of different road characteristics. The construction of the Road Performance Indicator was changed in 2007-08 to the current Road Conditions Indicator (RCI), which has each ten-metre stretch of road being assigned to one of three categories - red, amber or green depending on the overall road defect score. The survey aims to cover all local authority A roads in both directions every two years, all B and C roads in both directions every four years and a 10% sample of unclassified roads every year, with the RCI for unclassified road being calculated from four years' of combined data to give a rolling four-year indicator. Vehicle kilometres driven are calculated by the Department for Transport and are not National Statistics, providing only a rough indication of the likely volume of traffic on the roads. These figures distinguish between motorway, urban (an area with a population of over 10,000 as of the 2001 Census) and rural roads. xsd:string
Graph http://publishmydata.com/def/dataset#graph
http://statistics.gov.scot/graph/road-network-traffic
Has a SPARQL endpoint at void:sparqlEndpoint http://rdfs.org/ns/void#sparqlEndpoint
http://statistics.gov.scot/sparql
http://publishmydata.com/def/dataset#nextUpdateDue http://publishmydata.com/def/dataset#nextUpdateDue
September 2020 xsd:string
In folder http://publishmydata.com/def/ontology/folder/inFolder
Transport http://statistics.gov.scot/def/concept/folders/themes/transport
Transport Scotland http://statistics.gov.scot/def/concept/folders/organisations/transport-scotland
Label rdfs:label http://www.w3.org/2000/01/rdf-schema#label
Road Network and Traffic xsd:string
License dcterms:license http://purl.org/dc/terms/license
http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/
Publisher dcterms:publisher http://purl.org/dc/terms/publisher
Transport Scotland http://statistics.gov.scot/id/organisation/transport-scotland
Quality Management http://statistics.gov.scot/def/statistical-quality/quality-management
Full details of the methodology and fieldwork outcomes for the Scottish Household Survey can be accessed on the [Scottish Government website](https://www2.gov.scot/Topics/Statistics/16002/PublicationMethodology) xsd:string
References dcterms:references http://purl.org/dc/terms/references
http://statistics.gov.scot/help http://statistics.gov.scot/help
Relevance http://statistics.gov.scot/def/statistical-quality/relevance
The SHS is designed to provide reliable and up-to-date information on the composition, characteristics, attitudes and behaviour of private households and individuals, both nationally and at a sub-national level and to examine the physical condition of Scotland’s homes. It covers a wide range of topics to allow links to be made between different policy areas. xsd:string
Revisions http://statistics.gov.scot/def/statistical-quality/revisions
The Scottish Household Survey is not subject to scheduled revision. Revisions and corrections to previously published statistics are dealt with in accordance with the Scottish Government Statistician Group corporate policy statement on revisions and corrections - a copy of which is available on the Scottish Government website xsd:string
Theme dcat:theme http://www.w3.org/ns/dcat#theme
Transport http://statistics.gov.scot/def/concept/folders/themes/transport
Transport Scotland http://statistics.gov.scot/def/concept/folders/organisations/transport-scotland
Timeliness and Punctuality http://statistics.gov.scot/def/statistical-quality/timeliness-and-punctuality
This dataset will be updated annually. xsd:string
Title dcterms:title http://purl.org/dc/terms/title
Road Network and Traffic xsd:string
Type rdf:type http://www.w3.org/1999/02/22-rdf-syntax-ns#type
Data set http://purl.org/linked-data/cube#DataSet
Dataset http://publishmydata.com/def/dataset#Dataset
http://publishmydata.com/def/dataset#LinkedDataset
dataset http://rdfs.org/ns/void#Dataset
Dataset http://www.w3.org/ns/dcat#Dataset
In Graph http://statistics.gov.scot/graph/road-network-traffic
Structure qb:structure http://purl.org/linked-data/cube#structure
http://statistics.gov.scot/data/structure/road-network-traffic http://statistics.gov.scot/data/structure/road-network-traffic
Type rdf:type http://www.w3.org/1999/02/22-rdf-syntax-ns#type
Data set http://purl.org/linked-data/cube#DataSet
Machine-readable formats

In addition to this bookmarkable html page, this dataset metadata is also available for our robot customers in the following machine-readable formats. Please refer to the API documentation for more details.

dataset metadata JSON RDF/XML Turtle N-Triples Atom