Buses belong to the most important means of public transportation that significantly impact
the economic and environmental aspects of people in different countries. This study has
focused on studying the relationship between buses and their effect on GDP, road networks
and population in Hungary, Poland, Czech and Slovakia. We evaluated the number of buses
and the GDP per capita for each country for different years and examined the changes over
time and the effect of increasing GDP per capita on the number of buses for these countries …

Buses belong to the most important means of public transportation that significantly impact
the economic and environmental aspects of people in different countries. This study has
focused on studying the relationship between buses and their effect on GDP, road networks
and population in Hungary, Poland, Czech and Slovakia. We evaluated the number of buses
and the GDP per capita for each country for different years and examined the changes over
time and the effect of increasing GDP per capita on the number of buses for these countries …