Exploring Urban Taxi Drivers’ Activity Distribution Based on GPS Data

Table 1

Taxi driver’s basic components of activity theory.

Component	Classification
Activity	Depending on the purpose, taxi driver’s activity can be classified into pick-up passenger activity and drop-off passenger activity
Activity frequency	The number of times the pick-up passenger activity or drop-off passenger activity occurs during a given time period, in an hour or a day
Activity destination	The location where a pick-up passenger activity or a drop-off passenger occurs
Trip	Movement between the pick-up passenger activity and drop-off passenger activity destinations
Transport mode (s)	By taking taxi vehicle
Activity space	A composite of the locations where a taxi driver conducts pick-up passenger activity and drop-off passenger activity, so it can be divided into pick-up activity space (location) and drop-off activity space (location)