UK
https://www.smmt.co.uk/vehicle-data/bus-and-coach-registrations/
https://www.ibisworld.com/united-states/market-research-reports/public-transportation-industry/
https://www.apta.com/news-publications/public-transportation-facts/
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https://www.kba.de/DE/Statistik/Fahrzeuge/Neuzulassungen/MarkenHersteller/marken_hersteller_node.html
https://ec.europa.eu/eurostat/de/data/database
https://www.118000.fr/c_transport-touristique-en-autocar
https://www.118000.fr/c_gare-routiere
https://www.gelbeseiten.de/Suche/Busunternehmen/Bundesweit
https://www.apta.com/news-publications/public-transportation-facts/
https://www.apta.com/
https://www.ibisworld.com/united-states/market-research-reports/public-transportation-industry/
https://www.apta.com/news-publications/public-transportation-facts/
https://www.uitp.org/statistics-brief-public-transport-in-the-EU
https://www.acea.be/uploads/publications/factsheet_buses.pdf
https://www.acea.be/uploads/publications/ACEA_Pocket_Guide_2019-2020.pdf
https://ec.europa.eu/transport/sites/transport/files/2018-transport-in-the-eu-current-trends-and-issues.pdf
https://ec.europa.eu/transport/sites/transport/files/modes/road/studies/doc/2016-04-passenger-transport-by-coach-in-europe.pdf
https://www.smmt.co.uk/vehicle-data/bus-and-coach-registrations/
https://www.statista.com/statistics/322245/total-number-bus-coach-registrations-in-the-united-kingdom-manufacturers/
https://www.eurobus.de/bustechnik-branchenlinks.php?branchenlink=39
