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The UNECE E-Road Census collects traffic volumes on principal road arteries of international importance. Data are only collected every five years. Data for 2025, 2010 and 2005 can be explored here https://www.unece.org/trans/main/wp6/e-roads_maps.html.
The UNECE E-Rail census collects data on principal rail routes, as defined by the AGC, in a similar fashion to the E-Road census. Rail traffic has the advantage of the split between passenger and freight trains is normally easy to make, therefore traffic for either the movement of people or goods can be visualised separately.
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