Accredited official statistics
Road traffic: during 2014
An annual report presenting information on volume of traffic by type of vehicle and class of road.
Documents
Details
Traffic volume is measured using vehicle kilometres, which are calculated by multiplying the annual average daily flow of traffic by the corresponding length of road. For example, 1 vehicle travelling 1 kilometre a day for a year would be 365 vehicle kilometres over a year.
Updates to this page
Published 21 October 2015