This paper provides a data set of global and regional passenger traffic volumes between 1960 and 1990 for the four major motorized modes of transport--cars, buses, railways, and aircraft--in eleven world regions. Based on these data, global long-term trends in motorized traffic volume and modal...

On average a person spends 1.1 h per day traveling and devotes a predictable fraction of income to travel. We show that these time and money budgets are stable over space and time and can be used for projecting future levels of mobility and transport mode. The fixed travel money budget...