Eurostat regional transport statistics (reg_tran) data, year 2012.
For more info, please see http://ec.europa.eu/eurostat/data/browse-statistics-by-theme.
EU_NUTS1 is a dataset with 34 observations and two indicators describing transportation infrastructure endowment of the main (in terms of population and GDP) European NUTS1 regions: France, Germany, Italy, Spain (United Kingdom has been omitted, due to lack of data concerning railways).
Calculated as (2 * Motorways - Kilometres per 1000 km2 + Other roads - Kilometres per 1000 km2 )/3
Calculated as (2 *Railway lines double+Electrified railway lines)/3
Vidoli F., Mazziotta C., "Robust weighted composite indicators by means of frontier methods with an application to European infrastructure endowment", Statistica Applicata, Italian Journal of Applied Statistics, 2013.
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