1
Using aircraft to move between cities and countries.
2
Trains running on rails connect cities and regions.
3
A vehicle-based journey along highways and byways.
4
Public or private buses ferry passengers along fixed routes.
5
Movement over water via vessels, including ferries and ships.
6
A journey by pedal-powered bicycle on roads and trails.
7
A journey on foot, often covering short to long distances.
8