Metainformaçao

NATIONAL NETWORK: &nbsp; A network of roads for public traffic in mainland Portugal, of national or international interest as part of the basic national network and the complementary national network.
REFERENCE PERIOD: &nbsp; The length of time for which data are collected, e.g. a specific day, month or year.

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National road network extension (km)

Characteristic	Description
Name	National road network extension (km) by Geographic localization (District) and Type of road network; Annual
Regularity	Annual
Source	Institute for Mobility and Transport
First available period	31st December 2007
Last available period	31st December 2022
Dimensions	Data reference period Geographic localization (District) Type of road network
Concepts	NATIONAL NETWORK: A network of roads for public traffic in mainland Portugal, of national or international interest as part of the basic national network and the complementary national network. REFERENCE PERIOD: The length of time for which data are collected, e.g. a specific day, month or year.
Measure unit (symbol)	Kilometre (km)
Power of 10	0
Observations
Last update date	18/08/2023