In Germany, a National Travel Survey was conducted in 2002. The paper describes the process needed to make empirical-based decisions on the main design characteristics of the survey. It outlines the survey operation used in the field during 2002, reports on the relevance of different contact strategies to minimize selectivity and non-response, and refers to issues of data processing and of dissemination ...
Structural and behavioural factors drive the growth and change of spatial mobility in the industrialised countries: on the macro level we have observed tremendous increases in travel demand as measured by person miles travelled. This paper studies this development of mobility of tripmaking adult persons on working days by analysing micro data as it is provided by the four National Travel Surveys (NTS) ...
2003 saw a slight decline in the mileage of vehicle kilometers driven annually by all German road passenger and freight vehicles. This development did not continue in 2004; instead the mileage, at 697 billion vehicle kilometers, was higher than ever before, despite the fact that fuel prices continued to rise. Where freight vehicles are concerned, the number of vehicles on the road hardly changed ...