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National travel survey : technical report 2001 Kershaw, Ashley
Utgivningsinformation: London Office for National Statistics, 2002Beskrivning: 92 s, 697 KBISBN:- 1857745027
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The National Travel Survey (NTS) provides regular, up-to-date data on personal travel and monitors changes in travel behaviour over time. The first NTS was commissioned by the Ministry of Transport in 1965/66. Further periodic surveys were carried out in 1972/73, 1975/76, 1978/79 and 1985/86. In 1988 the NTS became a continuous survey with field work being carried out every month of the year. This report describes the methodology of the 2001 NTS. It is intended as a working reference manual and describes the sample design, fieldwork methodology, data production and data file production.