Travel patterns : Household travel

TP003 Public transport mode share of total trip legs

Series Data

Public transport mode share of total trip legs (denominator is from NZ Household Travel Survey)
2006/72007/82008/92009/10
Mode share percent1.8%1.8%1.9%2.0%
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Metadata

Key reference number TP003
Definition of indicator Public transport mode share of total trips
Export date 11/01/2012
Core indicator information
Nature of data Quantitative; public transport boardings as counted by Regional Authority; all trips is a survey-based measure.
Data source Public transport boardings (numerator) reported to NZ Transport Agency by Regional Authorities. This is Transport Volume indicator TV020.
All trip legs (denominator): New Zealand Household Travel Survey, Ministry of Transport. Sample survey of 4600 households per year (2200 households per year prior to July 2008), running throughout the year. Respondents report all travel in a specified two-day period. 3-year aggregated periods are used for denominator. See www.transport.govt.nz/ongoing-travel-survey-index/ for more information.
Note re 2003-7 and 2004-08 In 2009, the NZ Household Travel Survey dataset was revised to ensure professional driver trips were excluded where possible. This has resulted in revision to the 2003-07 and 2004-08 figures above.
Definition Public transport includes services by bus, rail and ferry. Excludes long-distance services and school services provided by the Ministry of Education.
A trip leg is a surveying unit of non-stop travel by a single mode for a single purpose. For example, walking to work with a stop at the shop is two trip legs.
The NZ Household Travel Survey is designed to capture household travel only and excludes most commercial and freight travel.
The NZ Household Travel Survey is designed to produce moving average (rolling) estimates. The denominator for the 2006/7 year above is based on survey data collected between July 2004 and June 2007. The denominator for the 2007/8 year above is based on survey data collected between July 2005 and June 2008.
Frequency Annual updates
Disaggregation National
Timeliness Updated in November each year
Quality of the data Boardings are as counted by Regional Authorities according to their systems. Denominator is survey based. Household Travel Surveys exclude commercial travel. Response rate (households with full responses from all members): 1989/90=75%; 1997/98=75%; Ongoing survey: 65%-70%.
Availability of forecast data No