Composite traffic

Trips per hour

Trips per hour

Focus:	Total number of trips travelled per hour in the Helsinki Metropolitan Area. D↷
Scope:	Trips of one working day, based on year 2000 data. Private car trips as the starting point; 50% of them were assumed to switch to composite traffic.
Description:	Variable 'Composite trip aggregation' was used to calculate, which type of vehicles, when, and where could be used when trips were aggregated into public vehicles. 'Trips per hour' is a simple summary of the more detailed result: location has been summed up.
Inputs:	#Composite trip aggregation
Index:
Definition:	sum(sum(Composite_trip_aggregation,From),To1)/time_unit
Unit:	trips/h
Result:
References:	Tuomisto and Tainio: BMC Public Health 5:123, 2005