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Click to expand Source
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Click to expand Contact person/organisation
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Ashley ACKER - Tel: +33 (0)1 45 24 47 71 - ashley.acker@itf-oecd.org
Click to expand Data source(s) used
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The International Transport Forum (ITF) collects on an annual basis from all its member countries data on investment and maintenance spending on transport infrastructure. Data are collected from Transport Ministries, statistical offices and other institutions designated as official data sources.
Click to expand Name of collection/source
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The survey used for this exercise is the "ITF Investment in Transport Infrastructure questionnaire".
Click to expand Data Characteristics
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Click to expand Unit of measure used
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The original data is collected in national currency, current values. For analytical purposes and data comparisons, data are converted and published in million euros, both current and constant.
Click to expand Variables collected
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The variables collected are investment and maintenance expenditures and capital value for road, rail, inland waterways, maritime ports and airports.
Click to expand Reference period
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The data series start in 1995 and continue until the most recent available data, which normally refers to the current year-2.
Click to expand Link to Release calendar
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Data are collected in January and published in May of the same year for the period until the year-2.
Click to expand Population & Scope
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Click to expand Geographic coverage
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The geographical area is the ITF member countries, but not all countries provide data.
Click to expand Concepts & Classifications
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Click to expand Key statistical concept
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The lack of common definitions and practices to measure transport infrastructure spending hinders comparisons between countries. Data for road and rail infrastructure are the most comprehensive while data on sea port and airport spending are less detailed in coverage and definition. While our survey covers all sources of financing, a number of countries exclude private spending, including Japan and India. Approximately 65% of countries report data on urban spending. Indicators such as the share of GDP needed for investment in transport infrastructure, depend on a number of factors, such as the quality and age of existing infrastructure, maturity of the transport system, geography of the country and transport-intensity of its productive sector. Caution is therefore required when comparing investment data between countries. However, data for individual countries and country groups are consistent over time and useful for identifying underlying trends and changes in levels of spending, especially for inland transport infrastructure. These issues of definitions and methods are addressed in a companion report "Understanding the Value of Transport Infrastructure – Guidelines for macro-level measurement of spending and assets" (ITF/OECD2013), which was written with the goal of improving the quality and comparability of related statistics at the international level.
Click to expand Transformations
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In order to draw up a summary of aggregate trends for selected countries, data has been calculated in euros at both constant (2005) and current prices.
...Contact person/organisation
Ashley ACKER - Tel: +33 (0)1 45 24 47 71 - ashley.acker@itf-oecd.org
Data source(s) used
The International Transport Forum (ITF) collects on an annual basis from all its member countries data on investment and maintenance spending on transport infrastructure. Data are collected from Transport Ministries, statistical offices and other institutions designated as official data sources.
Name of collection/source
The survey used for this exercise is the "ITF Investment in Transport Infrastructure questionnaire".
Unit of measure used
The original data is collected in national currency, current values. For analytical purposes and data comparisons, data are converted and published in million euros, both current and constant.
Variables collected
The variables collected are investment and maintenance expenditures and capital value for road, rail, inland waterways, maritime ports and airports.
Reference period
The data series start in 1995 and continue until the most recent available data, which normally refers to the current year-2.
Link to Release calendar
Data are collected in January and published in May of the same year for the period until the year-2.
Geographic coverage
The geographical area is the ITF member countries, but not all countries provide data.
Key statistical concept
The lack of common definitions and practices to measure transport infrastructure spending hinders comparisons between countries. Data for road and rail infrastructure are the most comprehensive while data on sea port and airport spending are less detailed in coverage and definition. While our survey covers all sources of financing, a number of countries exclude private spending, including Japan and India. Approximately 65% of countries report data on urban spending. Indicators such as the share of GDP needed for investment in transport infrastructure, depend on a number of factors, such as the quality and age of existing infrastructure, maturity of the transport system, geography of the country and transport-intensity of its productive sector. Caution is therefore required when comparing investment data between countries. However, data for individual countries and country groups are consistent over time and useful for identifying underlying trends and changes in levels of spending, especially for inland transport infrastructure. These issues of definitions and methods are addressed in a companion report "Understanding the Value of Transport Infrastructure – Guidelines for macro-level measurement of spending and assets" (ITF/OECD2013), which was written with the goal of improving the quality and comparability of related statistics at the international level.
Transformations
In order to draw up a summary of aggregate trends for selected countries, data has been calculated in euros at both constant (2005) and current prices.