In the past few decades, travel patterns have become more complex and policy makers
demand more detailed information. As a result, conventional data collection methods seem …

Objective Environmental exposure to food sources may underpin area level differences in
individual risk for overweight. Place of residence is generally used to assess neighbourhood …

It is well known that the right location of shop** centres is of paramount importance.
Unless stores succeed in attracting their own clientele, they rely to a large extent on the …

Handheld global positioning system (GPS) devices can serve as a new tool to collect an
individual's trip information with advantages of low cost, accurate data, and intensive spatial …

The concept of accessibility has been attracting increasing attention from transportation
planners and researchers. The goal of “smart growth” is to promote accessibility rather than …

Using GPS technology in the collection of household travel data has been gaining
importance as the technology matures. This paper documents recent developments in the …

This paper documents the results of a pilot test done for the Oregon Household Travel
Survey. The pilot was designed to enable the Oregon Department of Transportation to …

Transport mode information is essential for understanding people's movement behavior and
travel demand estimation. Current approaches extract travel information once the travel is …

The use of mobile phones in collecting travel behavior data has rapidly increased,
especially after GPS tracking technology became widely available in commercial …

Smartphones have emerged as a promising type of equipment for monitoring human
activities in environmental health studies. However, degraded location accuracy and …