Using transportation and other social science data examples, and focusing in depth on telecommuting, we demonstrate that definitions, measurement instruments, sampling and sometimes vested interests affect the quality and utility even of seemingly objective and "measurable" data. Little...

A number of studies have examined the adoption of information and communication technology (ICT) and its impacts on personal travel, both at a general level and in the context of a particular kind of activity. While it is not surprising that initial attention has focused on the effects of ICT on...

Purpose. Test for a causal relalionship between neighborhood design and physical activity within the neighborhood by controlling for self-selection. Design. Cross-sectional and quasi-longitudinal analyses of residents of selected neighborhoods. Setting. Eight Northern California neighborhoods....

The first issue of ACCESS seems to have been well received, so we're pleased to continue these summaries of our research. Paralleling the spurt of work on new transportation technology, there's been renewed attention to institutional means for improving the nation's transport system. We focus...

Science fiction writers and high-tech enthusiasts may envision a world without commuting. Already, modern telecommunications technology allows people separated by hundreds of miles to work together as if they had adjacent desks. By simply lifting a phone, or switching on a computer modem, we can...

The majority of bicycling in the US is for recreation rather than transportation purposes but few studies have examined the question of bicycling purpose. We use data from an online survey conducted in 2006 in six small cities in the western US to examine factors affecting bicycling for...