“…Depending on availability, the data was gathered from Eurostat, OECD, and the World Bank. Gross domestic product per capita was employed as a proxy for sustainable economic growth [2,34,39,43,44,51,58,68,76,85,89,93,95], whereas several measures towards transport infrastructure [2,8,39,42,50,54,58,61,68,93], investment in transport infrastructure [8,43,73,81,82,97], transport pollution [34,50,58,89,95,106], and country-level controls [2,53,58,61,85,93,95,106] were considered, as exhibited in Table 4. Source: Authors' work.…”