Extended Data Fig. 1: Percentage of 5×5 km raster cells covered by Road Effect Zones (REZs) caused by high to very high (Annual average daily traffic > 5000) road traffic for 1975 (top) and 2015 (bottom). | Nature Sustainability

Extended Data Fig. 1: Percentage of 5×5 km raster cells covered by Road Effect Zones (REZs) caused by high to very high (Annual average daily traffic > 5000) road traffic for 1975 (top) and 2015 (bottom).

From: Global expansion of the ecological impact of extra-urban road traffic

Extended Data Fig. 1

The colour classes represent the quartiles of cell values in 1975. Raster cells without a REZ are transparent. Country boundaries adapted from ref. 31 under a Creative Commons license CC BY 4.0. Figure created with tmap63 in R v.4.4.2 (ref. 62).

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